30 lines
878 B
LLVM
30 lines
878 B
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -disable-constant-hoisting < %s | FileCheck %s
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target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
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target triple = "i386-unknown-linux-gnu"
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@d = global i32 8, align 4
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define i32 @main() {
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; CHECK-LABEL: main:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movl d, %eax
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; CHECK-NEXT: movl %eax, %ecx
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; CHECK-NEXT: shrl $31, %ecx
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; CHECK-NEXT: addl %eax, %eax
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; CHECK-NEXT: andl $16, %eax
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; CHECK-NEXT: cmpl $-1, %eax
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; CHECK-NEXT: sbbl $0, %ecx
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; CHECK-NEXT: setb %al
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; CHECK-NEXT: movzbl %al, %eax
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; CHECK-NEXT: retl
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entry:
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%load = load i32, i32* @d, align 4
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%conv1 = zext i32 %load to i64
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%shl = shl i64 %conv1, 1
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%mul = and i64 %shl, 4294967312
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%cmp = icmp ugt i64 4294967295, %mul
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%zext = zext i1 %cmp to i32
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ret i32 %zext
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}
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