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22 lines
608 B
LLVM
22 lines
608 B
LLVM
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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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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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; CHECK: main:
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; CHECK: movl d, %[[load:.*]]
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; CHECK: movl %[[load]], %[[copy:.*]]
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; CHECK: shrl $31, %[[copy]]
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; CHECK: addl %[[load]], %[[load]]
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