35 lines
1.1 KiB
LLVM
35 lines
1.1 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=i686-- -x86-asm-syntax=intel | FileCheck %s
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; PR687
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define i64 @foo(i64 %x, i64* %X) {
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; CHECK-LABEL: foo:
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; CHECK: # %bb.0:
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; CHECK-NEXT: push esi
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: .cfi_offset esi, -8
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; CHECK-NEXT: mov esi, dword ptr [esp + 8]
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; CHECK-NEXT: mov edx, dword ptr [esp + 12]
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; CHECK-NEXT: mov eax, dword ptr [esp + 16]
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; CHECK-NEXT: mov cl, byte ptr [eax]
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; CHECK-NEXT: mov eax, esi
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; CHECK-NEXT: shl eax, cl
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; CHECK-NEXT: shld edx, esi, cl
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; CHECK-NEXT: test cl, 32
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; CHECK-NEXT: je .LBB0_2
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; CHECK-NEXT: # %bb.1:
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; CHECK-NEXT: mov edx, eax
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; CHECK-NEXT: xor eax, eax
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; CHECK-NEXT: .LBB0_2:
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; CHECK-NEXT: pop esi
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; CHECK-NEXT: .cfi_def_cfa_offset 4
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; CHECK-NEXT: ret
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%tmp.1 = load i64, i64* %X ; <i64> [#uses=1]
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%tmp.3 = trunc i64 %tmp.1 to i8 ; <i8> [#uses=1]
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%shift.upgrd.1 = zext i8 %tmp.3 to i64 ; <i64> [#uses=1]
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%tmp.4 = shl i64 %x, %shift.upgrd.1 ; <i64> [#uses=1]
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ret i64 %tmp.4
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}
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