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load, to help SelectionDAG fold them into the loads, unless conditions are unfavorable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84271 91177308-0d34-0410-b5e6-96231b3b80d8
21 lines
425 B
LLVM
21 lines
425 B
LLVM
; RUN: llc < %s -march=x86-64 | FileCheck %s
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; rdar://7304838
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; CodeGenPrepare should move the zext into the block with the load
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; so that SelectionDAG can select it with the load.
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; CHECK: movzbl (%rdi), %eax
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define void @foo(i8* %p, i32* %q) {
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entry:
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%t = load i8* %p
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%a = icmp slt i8 %t, 20
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br i1 %a, label %true, label %false
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true:
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%s = zext i8 %t to i32
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store i32 %s, i32* %q
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ret void
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false:
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ret void
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}
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