402 lines
14 KiB
LLVM
402 lines
14 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-linux-gnu -mattr=+avx | FileCheck %s --check-prefix=X32
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; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+avx | FileCheck %s --check-prefix=X64
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; Verify that the backend correctly folds a sign/zero extend of a vector where
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; elements are all constant values or UNDEFs.
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; The backend should be able to optimize all the test functions below into
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; simple loads from constant pool of the result. That is because the resulting
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; vector should be known at static time.
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define <4 x i16> @test_sext_4i8_4i16() {
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; X32-LABEL: test_sext_4i8_4i16:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} xmm0 = <0,65535,2,65533,u,u,u,u>
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; X32-NEXT: retl
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;
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; X64-LABEL: test_sext_4i8_4i16:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} xmm0 = <0,65535,2,65533,u,u,u,u>
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; X64-NEXT: retq
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%1 = insertelement <4 x i8> undef, i8 0, i32 0
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%2 = insertelement <4 x i8> %1, i8 -1, i32 1
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%3 = insertelement <4 x i8> %2, i8 2, i32 2
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%4 = insertelement <4 x i8> %3, i8 -3, i32 3
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%5 = sext <4 x i8> %4 to <4 x i16>
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ret <4 x i16> %5
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}
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define <4 x i16> @test_sext_4i8_4i16_undef() {
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; X32-LABEL: test_sext_4i8_4i16_undef:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} xmm0 = <u,65535,u,65533,u,u,u,u>
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; X32-NEXT: retl
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;
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; X64-LABEL: test_sext_4i8_4i16_undef:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} xmm0 = <u,65535,u,65533,u,u,u,u>
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; X64-NEXT: retq
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%1 = insertelement <4 x i8> undef, i8 undef, i32 0
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%2 = insertelement <4 x i8> %1, i8 -1, i32 1
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%3 = insertelement <4 x i8> %2, i8 undef, i32 2
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%4 = insertelement <4 x i8> %3, i8 -3, i32 3
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%5 = sext <4 x i8> %4 to <4 x i16>
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ret <4 x i16> %5
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}
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define <4 x i32> @test_sext_4i8_4i32() {
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; X32-LABEL: test_sext_4i8_4i32:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} xmm0 = [0,4294967295,2,4294967293]
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; X32-NEXT: retl
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;
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; X64-LABEL: test_sext_4i8_4i32:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} xmm0 = [0,4294967295,2,4294967293]
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; X64-NEXT: retq
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%1 = insertelement <4 x i8> undef, i8 0, i32 0
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%2 = insertelement <4 x i8> %1, i8 -1, i32 1
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%3 = insertelement <4 x i8> %2, i8 2, i32 2
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%4 = insertelement <4 x i8> %3, i8 -3, i32 3
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%5 = sext <4 x i8> %4 to <4 x i32>
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ret <4 x i32> %5
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}
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define <4 x i32> @test_sext_4i8_4i32_undef() {
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; X32-LABEL: test_sext_4i8_4i32_undef:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} xmm0 = <u,4294967295,u,4294967293>
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; X32-NEXT: retl
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;
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; X64-LABEL: test_sext_4i8_4i32_undef:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} xmm0 = <u,4294967295,u,4294967293>
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; X64-NEXT: retq
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%1 = insertelement <4 x i8> undef, i8 undef, i32 0
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%2 = insertelement <4 x i8> %1, i8 -1, i32 1
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%3 = insertelement <4 x i8> %2, i8 undef, i32 2
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%4 = insertelement <4 x i8> %3, i8 -3, i32 3
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%5 = sext <4 x i8> %4 to <4 x i32>
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ret <4 x i32> %5
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}
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define <4 x i64> @test_sext_4i8_4i64() {
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; X32-LABEL: test_sext_4i8_4i64:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} ymm0 = [0,0,4294967295,4294967295,2,0,4294967293,4294967295]
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; X32-NEXT: retl
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;
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; X64-LABEL: test_sext_4i8_4i64:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} ymm0 = [0,18446744073709551615,2,18446744073709551613]
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; X64-NEXT: retq
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%1 = insertelement <4 x i8> undef, i8 0, i32 0
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%2 = insertelement <4 x i8> %1, i8 -1, i32 1
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%3 = insertelement <4 x i8> %2, i8 2, i32 2
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%4 = insertelement <4 x i8> %3, i8 -3, i32 3
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%5 = sext <4 x i8> %4 to <4 x i64>
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ret <4 x i64> %5
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}
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define <4 x i64> @test_sext_4i8_4i64_undef() {
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; X32-LABEL: test_sext_4i8_4i64_undef:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} ymm0 = <u,u,4294967295,4294967295,u,u,4294967293,4294967295>
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; X32-NEXT: retl
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;
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; X64-LABEL: test_sext_4i8_4i64_undef:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} ymm0 = <u,18446744073709551615,u,18446744073709551613>
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; X64-NEXT: retq
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%1 = insertelement <4 x i8> undef, i8 undef, i32 0
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%2 = insertelement <4 x i8> %1, i8 -1, i32 1
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%3 = insertelement <4 x i8> %2, i8 undef, i32 2
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%4 = insertelement <4 x i8> %3, i8 -3, i32 3
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%5 = sext <4 x i8> %4 to <4 x i64>
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ret <4 x i64> %5
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}
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define <8 x i16> @test_sext_8i8_8i16() {
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; X32-LABEL: test_sext_8i8_8i16:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} xmm0 = [0,65535,2,65533,4,65531,6,65529]
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; X32-NEXT: retl
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;
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; X64-LABEL: test_sext_8i8_8i16:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} xmm0 = [0,65535,2,65533,4,65531,6,65529]
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; X64-NEXT: retq
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%1 = insertelement <8 x i8> undef, i8 0, i32 0
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%2 = insertelement <8 x i8> %1, i8 -1, i32 1
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%3 = insertelement <8 x i8> %2, i8 2, i32 2
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%4 = insertelement <8 x i8> %3, i8 -3, i32 3
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%5 = insertelement <8 x i8> %4, i8 4, i32 4
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%6 = insertelement <8 x i8> %5, i8 -5, i32 5
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%7 = insertelement <8 x i8> %6, i8 6, i32 6
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%8 = insertelement <8 x i8> %7, i8 -7, i32 7
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%9 = sext <8 x i8> %8 to <8 x i16>
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ret <8 x i16> %9
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}
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define <8 x i32> @test_sext_8i8_8i32() {
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; X32-LABEL: test_sext_8i8_8i32:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} ymm0 = [0,4294967295,2,4294967293,4,4294967291,6,4294967289]
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; X32-NEXT: retl
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;
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; X64-LABEL: test_sext_8i8_8i32:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} ymm0 = [0,4294967295,2,4294967293,4,4294967291,6,4294967289]
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; X64-NEXT: retq
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%1 = insertelement <8 x i8> undef, i8 0, i32 0
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%2 = insertelement <8 x i8> %1, i8 -1, i32 1
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%3 = insertelement <8 x i8> %2, i8 2, i32 2
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%4 = insertelement <8 x i8> %3, i8 -3, i32 3
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%5 = insertelement <8 x i8> %4, i8 4, i32 4
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%6 = insertelement <8 x i8> %5, i8 -5, i32 5
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%7 = insertelement <8 x i8> %6, i8 6, i32 6
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%8 = insertelement <8 x i8> %7, i8 -7, i32 7
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%9 = sext <8 x i8> %8 to <8 x i32>
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ret <8 x i32> %9
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}
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define <8 x i16> @test_sext_8i8_8i16_undef() {
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; X32-LABEL: test_sext_8i8_8i16_undef:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} xmm0 = <u,65535,u,65533,u,65531,u,65529>
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; X32-NEXT: retl
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;
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; X64-LABEL: test_sext_8i8_8i16_undef:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} xmm0 = <u,65535,u,65533,u,65531,u,65529>
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; X64-NEXT: retq
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%1 = insertelement <8 x i8> undef, i8 undef, i32 0
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%2 = insertelement <8 x i8> %1, i8 -1, i32 1
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%3 = insertelement <8 x i8> %2, i8 undef, i32 2
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%4 = insertelement <8 x i8> %3, i8 -3, i32 3
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%5 = insertelement <8 x i8> %4, i8 undef, i32 4
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%6 = insertelement <8 x i8> %5, i8 -5, i32 5
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%7 = insertelement <8 x i8> %6, i8 undef, i32 6
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%8 = insertelement <8 x i8> %7, i8 -7, i32 7
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%9 = sext <8 x i8> %8 to <8 x i16>
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ret <8 x i16> %9
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}
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define <8 x i32> @test_sext_8i8_8i32_undef() {
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; X32-LABEL: test_sext_8i8_8i32_undef:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} ymm0 = <0,u,2,u,4,u,6,u>
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; X32-NEXT: retl
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;
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; X64-LABEL: test_sext_8i8_8i32_undef:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} ymm0 = <0,u,2,u,4,u,6,u>
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; X64-NEXT: retq
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%1 = insertelement <8 x i8> undef, i8 0, i32 0
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%2 = insertelement <8 x i8> %1, i8 undef, i32 1
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%3 = insertelement <8 x i8> %2, i8 2, i32 2
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%4 = insertelement <8 x i8> %3, i8 undef, i32 3
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%5 = insertelement <8 x i8> %4, i8 4, i32 4
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%6 = insertelement <8 x i8> %5, i8 undef, i32 5
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%7 = insertelement <8 x i8> %6, i8 6, i32 6
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%8 = insertelement <8 x i8> %7, i8 undef, i32 7
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%9 = sext <8 x i8> %8 to <8 x i32>
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ret <8 x i32> %9
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}
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define <4 x i16> @test_zext_4i8_4i16() {
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; X32-LABEL: test_zext_4i8_4i16:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} xmm0 = <0,255,2,253,u,u,u,u>
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; X32-NEXT: retl
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;
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; X64-LABEL: test_zext_4i8_4i16:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} xmm0 = <0,255,2,253,u,u,u,u>
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; X64-NEXT: retq
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%1 = insertelement <4 x i8> undef, i8 0, i32 0
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%2 = insertelement <4 x i8> %1, i8 -1, i32 1
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%3 = insertelement <4 x i8> %2, i8 2, i32 2
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%4 = insertelement <4 x i8> %3, i8 -3, i32 3
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%5 = zext <4 x i8> %4 to <4 x i16>
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ret <4 x i16> %5
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}
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define <4 x i32> @test_zext_4i8_4i32() {
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; X32-LABEL: test_zext_4i8_4i32:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} xmm0 = [0,255,2,253]
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; X32-NEXT: retl
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;
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; X64-LABEL: test_zext_4i8_4i32:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} xmm0 = [0,255,2,253]
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; X64-NEXT: retq
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%1 = insertelement <4 x i8> undef, i8 0, i32 0
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%2 = insertelement <4 x i8> %1, i8 -1, i32 1
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%3 = insertelement <4 x i8> %2, i8 2, i32 2
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%4 = insertelement <4 x i8> %3, i8 -3, i32 3
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%5 = zext <4 x i8> %4 to <4 x i32>
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ret <4 x i32> %5
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}
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define <4 x i64> @test_zext_4i8_4i64() {
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; X32-LABEL: test_zext_4i8_4i64:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} ymm0 = [0,0,255,0,2,0,253,0]
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; X32-NEXT: retl
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;
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; X64-LABEL: test_zext_4i8_4i64:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} ymm0 = [0,255,2,253]
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; X64-NEXT: retq
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%1 = insertelement <4 x i8> undef, i8 0, i32 0
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%2 = insertelement <4 x i8> %1, i8 -1, i32 1
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%3 = insertelement <4 x i8> %2, i8 2, i32 2
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%4 = insertelement <4 x i8> %3, i8 -3, i32 3
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%5 = zext <4 x i8> %4 to <4 x i64>
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ret <4 x i64> %5
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}
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define <4 x i16> @test_zext_4i8_4i16_undef() {
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; X32-LABEL: test_zext_4i8_4i16_undef:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} xmm0 = <0,255,0,253,u,u,u,u>
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; X32-NEXT: retl
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;
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; X64-LABEL: test_zext_4i8_4i16_undef:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} xmm0 = <0,255,0,253,u,u,u,u>
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; X64-NEXT: retq
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%1 = insertelement <4 x i8> undef, i8 undef, i32 0
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%2 = insertelement <4 x i8> %1, i8 -1, i32 1
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%3 = insertelement <4 x i8> %2, i8 undef, i32 2
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%4 = insertelement <4 x i8> %3, i8 -3, i32 3
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%5 = zext <4 x i8> %4 to <4 x i16>
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ret <4 x i16> %5
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}
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define <4 x i32> @test_zext_4i8_4i32_undef() {
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; X32-LABEL: test_zext_4i8_4i32_undef:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} xmm0 = [0,0,2,0]
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; X32-NEXT: retl
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;
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; X64-LABEL: test_zext_4i8_4i32_undef:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} xmm0 = [0,0,2,0]
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; X64-NEXT: retq
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%1 = insertelement <4 x i8> undef, i8 0, i32 0
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%2 = insertelement <4 x i8> %1, i8 undef, i32 1
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%3 = insertelement <4 x i8> %2, i8 2, i32 2
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%4 = insertelement <4 x i8> %3, i8 undef, i32 3
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%5 = zext <4 x i8> %4 to <4 x i32>
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ret <4 x i32> %5
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}
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define <4 x i64> @test_zext_4i8_4i64_undef() {
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; X32-LABEL: test_zext_4i8_4i64_undef:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} ymm0 = [0,0,255,0,2,0,0,0]
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; X32-NEXT: retl
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;
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; X64-LABEL: test_zext_4i8_4i64_undef:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} ymm0 = [0,255,2,0]
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; X64-NEXT: retq
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%1 = insertelement <4 x i8> undef, i8 undef, i32 0
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%2 = insertelement <4 x i8> %1, i8 -1, i32 1
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%3 = insertelement <4 x i8> %2, i8 2, i32 2
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%4 = insertelement <4 x i8> %3, i8 undef, i32 3
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%5 = zext <4 x i8> %4 to <4 x i64>
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ret <4 x i64> %5
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}
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define <8 x i16> @test_zext_8i8_8i16() {
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; X32-LABEL: test_zext_8i8_8i16:
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; X32: # %bb.0:
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; X32-NEXT: vmovaps {{.*#+}} xmm0 = [0,255,2,253,4,251,6,249]
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; X32-NEXT: retl
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;
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; X64-LABEL: test_zext_8i8_8i16:
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; X64: # %bb.0:
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; X64-NEXT: vmovaps {{.*#+}} xmm0 = [0,255,2,253,4,251,6,249]
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; X64-NEXT: retq
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%1 = insertelement <8 x i8> undef, i8 0, i32 0
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%2 = insertelement <8 x i8> %1, i8 -1, i32 1
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%3 = insertelement <8 x i8> %2, i8 2, i32 2
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%4 = insertelement <8 x i8> %3, i8 -3, i32 3
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%5 = insertelement <8 x i8> %4, i8 4, i32 4
|
|
%6 = insertelement <8 x i8> %5, i8 -5, i32 5
|
|
%7 = insertelement <8 x i8> %6, i8 6, i32 6
|
|
%8 = insertelement <8 x i8> %7, i8 -7, i32 7
|
|
%9 = zext <8 x i8> %8 to <8 x i16>
|
|
ret <8 x i16> %9
|
|
}
|
|
|
|
define <8 x i32> @test_zext_8i8_8i32() {
|
|
; X32-LABEL: test_zext_8i8_8i32:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: vmovaps {{.*#+}} ymm0 = [0,255,2,253,4,251,6,249]
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_zext_8i8_8i32:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vmovaps {{.*#+}} ymm0 = [0,255,2,253,4,251,6,249]
|
|
; X64-NEXT: retq
|
|
%1 = insertelement <8 x i8> undef, i8 0, i32 0
|
|
%2 = insertelement <8 x i8> %1, i8 -1, i32 1
|
|
%3 = insertelement <8 x i8> %2, i8 2, i32 2
|
|
%4 = insertelement <8 x i8> %3, i8 -3, i32 3
|
|
%5 = insertelement <8 x i8> %4, i8 4, i32 4
|
|
%6 = insertelement <8 x i8> %5, i8 -5, i32 5
|
|
%7 = insertelement <8 x i8> %6, i8 6, i32 6
|
|
%8 = insertelement <8 x i8> %7, i8 -7, i32 7
|
|
%9 = zext <8 x i8> %8 to <8 x i32>
|
|
ret <8 x i32> %9
|
|
}
|
|
|
|
define <8 x i16> @test_zext_8i8_8i16_undef() {
|
|
; X32-LABEL: test_zext_8i8_8i16_undef:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: vmovaps {{.*#+}} xmm0 = [0,255,0,253,0,251,0,249]
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_zext_8i8_8i16_undef:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vmovaps {{.*#+}} xmm0 = [0,255,0,253,0,251,0,249]
|
|
; X64-NEXT: retq
|
|
%1 = insertelement <8 x i8> undef, i8 undef, i32 0
|
|
%2 = insertelement <8 x i8> %1, i8 -1, i32 1
|
|
%3 = insertelement <8 x i8> %2, i8 undef, i32 2
|
|
%4 = insertelement <8 x i8> %3, i8 -3, i32 3
|
|
%5 = insertelement <8 x i8> %4, i8 undef, i32 4
|
|
%6 = insertelement <8 x i8> %5, i8 -5, i32 5
|
|
%7 = insertelement <8 x i8> %6, i8 undef, i32 6
|
|
%8 = insertelement <8 x i8> %7, i8 -7, i32 7
|
|
%9 = zext <8 x i8> %8 to <8 x i16>
|
|
ret <8 x i16> %9
|
|
}
|
|
|
|
define <8 x i32> @test_zext_8i8_8i32_undef() {
|
|
; X32-LABEL: test_zext_8i8_8i32_undef:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: vmovaps {{.*#+}} ymm0 = [0,0,2,253,4,0,6,0]
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: test_zext_8i8_8i32_undef:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: vmovaps {{.*#+}} ymm0 = [0,0,2,253,4,0,6,0]
|
|
; X64-NEXT: retq
|
|
%1 = insertelement <8 x i8> undef, i8 0, i32 0
|
|
%2 = insertelement <8 x i8> %1, i8 undef, i32 1
|
|
%3 = insertelement <8 x i8> %2, i8 2, i32 2
|
|
%4 = insertelement <8 x i8> %3, i8 -3, i32 3
|
|
%5 = insertelement <8 x i8> %4, i8 4, i32 4
|
|
%6 = insertelement <8 x i8> %5, i8 undef, i32 5
|
|
%7 = insertelement <8 x i8> %6, i8 6, i32 6
|
|
%8 = insertelement <8 x i8> %7, i8 undef, i32 7
|
|
%9 = zext <8 x i8> %8 to <8 x i32>
|
|
ret <8 x i32> %9
|
|
}
|