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Diffstat (limited to 'test/CodeGen/X86/fast-isel-expect.ll')
-rw-r--r-- | test/CodeGen/X86/fast-isel-expect.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fast-isel-expect.ll b/test/CodeGen/X86/fast-isel-expect.ll new file mode 100644 index 0000000000..1f53348bd0 --- /dev/null +++ b/test/CodeGen/X86/fast-isel-expect.ll @@ -0,0 +1,23 @@ +; RUN: llc < %s -O0 -march=x86 | FileCheck %s + +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" +target triple = "x86_64-unknown-linux-gnu" + +@glbl = extern_weak constant i8 + +declare i64 @llvm.expect.i64(i64, i64) #0 + +define void @test() { +; CHECK: movl $glbl + %tmp = call i64 @llvm.expect.i64(i64 zext (i1 icmp eq (i8* @glbl, i8* null) to i64), i64 0) + %tmp2 = icmp ne i64 %tmp, 0 + br i1 %tmp2, label %bb1, label %bb2 + +bb1: + unreachable + +bb2: + unreachable +} + +attributes #0 = { nounwind readnone } |