95 lines
2.2 KiB
LLVM
95 lines
2.2 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
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define i8 @t1(i8* %X, i64 %i) {
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; CHECK-LABEL: t1:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: andq $-255, %rsi
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; CHECK-NEXT: movb (%rdi,%rsi,4), %al
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; CHECK-NEXT: retq
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entry:
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%tmp2 = shl i64 %i, 2
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%tmp4 = and i64 %tmp2, -1020
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%tmp7 = getelementptr i8, i8* %X, i64 %tmp4
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%tmp9 = load i8, i8* %tmp7
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ret i8 %tmp9
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}
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define i8 @t2(i8* %X, i64 %i) {
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; CHECK-LABEL: t2:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: andq $-14, %rsi
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; CHECK-NEXT: movb (%rdi,%rsi,4), %al
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; CHECK-NEXT: retq
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entry:
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%tmp2 = shl i64 %i, 2
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%tmp4 = and i64 %tmp2, -56
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%tmp7 = getelementptr i8, i8* %X, i64 %tmp4
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%tmp9 = load i8, i8* %tmp7
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ret i8 %tmp9
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}
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define i8 @t3(i8* %X, i64 %i) {
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; CHECK-LABEL: t3:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movl %esi, %eax
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; CHECK-NEXT: movb (%rdi,%rax,4), %al
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; CHECK-NEXT: retq
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entry:
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%tmp2 = shl i64 %i, 2
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%tmp4 = and i64 %tmp2, 17179869180
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%tmp7 = getelementptr i8, i8* %X, i64 %tmp4
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%tmp9 = load i8, i8* %tmp7
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ret i8 %tmp9
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}
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define i8 @t4(i8* %X, i64 %i) {
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; CHECK-LABEL: t4:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: andl $-2, %esi
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; CHECK-NEXT: movb (%rdi,%rsi,4), %al
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; CHECK-NEXT: retq
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entry:
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%tmp2 = shl i64 %i, 2
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%tmp4 = and i64 %tmp2, 17179869176
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%tmp7 = getelementptr i8, i8* %X, i64 %tmp4
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%tmp9 = load i8, i8* %tmp7
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ret i8 %tmp9
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}
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define i8 @t5(i8* %X, i64 %i) {
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; CHECK-LABEL: t5:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: andl $-250002, %esi # imm = 0xFFFC2F6E
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; CHECK-NEXT: movb (%rdi,%rsi,4), %al
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; CHECK-NEXT: retq
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entry:
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%tmp2 = shl i64 %i, 2
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%tmp4 = and i64 %tmp2, 17178869176
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%tmp7 = getelementptr i8, i8* %X, i64 %tmp4
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%tmp9 = load i8, i8* %tmp7
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ret i8 %tmp9
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}
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define i8 @t6(i8* %X, i32 %i) {
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; CHECK-LABEL: t6:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: # kill: def $esi killed $esi def $rsi
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; CHECK-NEXT: andl $15, %esi
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; CHECK-NEXT: movb (%rdi,%rsi,4), %al
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; CHECK-NEXT: retq
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entry:
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%tmp2 = shl i32 %i, 2
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%tmp3 = zext i32 %tmp2 to i64
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%tmp4 = and i64 %tmp3, 60
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%tmp7 = getelementptr i8, i8* %X, i64 %tmp4
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%tmp9 = load i8, i8* %tmp7
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ret i8 %tmp9
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}
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