6ecf619be9
This extends the optimization in r280832 to also work for 64-bit. The only quirk is that we can't do this for 64-bit Windows (yet). Differential Revision: https://reviews.llvm.org/D24423 llvm-svn: 281113
26 lines
543 B
LLVM
26 lines
543 B
LLVM
; RUN: llc < %s -mtriple=i686-linux -show-mc-encoding | FileCheck %s
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; RUN: llc < %s -mtriple=x86_64-linux -show-mc-encoding | FileCheck %s
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declare void @foo()
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declare void @bar()
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define void @f(i32 %x, i32 %y) optsize {
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entry:
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%p = icmp eq i32 %x, %y
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br i1 %p, label %bb1, label %bb2
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bb1:
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tail call void @foo()
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ret void
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bb2:
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tail call void @bar()
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ret void
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}
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; CHECK-LABEL: f:
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; CHECK: cmp
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; CHECK: jne bar
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; Check that the asm doesn't just look good, but uses the correct encoding.
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; CHECK: encoding: [0x75,A]
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; CHECK: jmp foo
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