43 lines
1.4 KiB
LLVM
43 lines
1.4 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 -mattr=bmi | FileCheck %s
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@a = external dso_local local_unnamed_addr global i32, align 4
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@f = external dso_local local_unnamed_addr global i32, align 4
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define void @g(i32* %x, i32* %y, i32* %z) {
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; CHECK-LABEL: g:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movl {{.*}}(%rip), %eax
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; CHECK-NEXT: #APP
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; CHECK-NEXT: #NO_APP
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; CHECK-NEXT: xorl %ecx, %ecx
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; CHECK-NEXT: testl %eax, %eax
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; CHECK-NEXT: sete %cl
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; CHECK-NEXT: addl %ecx, %ecx
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; CHECK-NEXT: orl (%rdi), %ecx
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; CHECK-NEXT: movl $0, (%rsi)
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; CHECK-NEXT: #APP
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; CHECK-NEXT: #NO_APP
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; CHECK-NEXT: shll $8, %eax
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; CHECK-NEXT: bextrl %eax, {{.*}}(%rip), %eax
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; CHECK-NEXT: orl %ecx, %eax
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; CHECK-NEXT: movl %eax, (%rdx)
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; CHECK-NEXT: retq
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entry:
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%0 = load i32, i32* @a, align 4
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%1 = tail call i32 asm "", "=r,r,~{dirflag},~{fpsr},~{flags}"(i32 %0)
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%2 = icmp eq i32 %1, 0
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%shl1 = select i1 %2, i32 2, i32 0
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%3 = load i32, i32* %x, align 4
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%or = or i32 %3, %shl1
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store i32 0, i32* %y, align 4
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%4 = tail call i32 asm "", "=r,~{dirflag},~{fpsr},~{flags}"()
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%notmask = shl nsw i32 -1, %4
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%sub = xor i32 %notmask, -1
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%5 = load i32, i32* @f, align 4
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%and4 = and i32 %5, %sub
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%or6 = or i32 %and4, %or
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store i32 %or6, i32* %z, align 4
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ret void
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}
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