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https://github.com/c64scene-ar/llvm-6502.git
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33cdfe9f19
lower an expect intrinsic that is a constant expression. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176830 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
620 B
LLVM
24 lines
620 B
LLVM
; RUN: llc < %s -O0 -march=x86 | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@glbl = extern_weak constant i8
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declare i64 @llvm.expect.i64(i64, i64) #0
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define void @test() {
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; CHECK: movl $glbl
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%tmp = call i64 @llvm.expect.i64(i64 zext (i1 icmp eq (i8* @glbl, i8* null) to i64), i64 0)
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%tmp2 = icmp ne i64 %tmp, 0
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br i1 %tmp2, label %bb1, label %bb2
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bb1:
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unreachable
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bb2:
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unreachable
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}
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attributes #0 = { nounwind readnone }
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