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38 lines
1.3 KiB
LLVM
38 lines
1.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -O0 | FileCheck %s
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@b = external global i64, align 8
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define void @foo(i1 %c, <2 x i64> %x) {
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; CHECK-LABEL: foo:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movb %dil, %al
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; CHECK-NEXT: movb %al, {{[-0-9]+}}(%r{{[sb]}}p) # 1-byte Spill
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; CHECK-NEXT: movq %xmm0, %rax
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; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
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; CHECK-NEXT: movq %xmm0, %rax
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; CHECK-NEXT: movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; CHECK-NEXT: .LBB0_1: # %for.body
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: movb {{[-0-9]+}}(%r{{[sb]}}p), %al # 1-byte Reload
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; CHECK-NEXT: testb $1, %al
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; CHECK-NEXT: jne .LBB0_1
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; CHECK-NEXT: jmp .LBB0_2
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; CHECK-NEXT: .LBB0_2: # %for.end
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; CHECK-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Reload
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; CHECK-NEXT: movq %rax, b
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; CHECK-NEXT: retq
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entry:
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%0 = bitcast <2 x i64> %x to i128
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br label %for.body
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for.body: ; preds = %for.body, %entry
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br i1 %c, label %for.body, label %for.end
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for.end: ; preds = %for.body
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%1 = lshr i128 %0, 64
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%2 = trunc i128 %1 to i64
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store i64 %2, i64* @b, align 8
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ret void
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}
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