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linux-packaging-mono/external/llvm/test/CodeGen/X86/switch-or.ll
Xamarin Public Jenkins (auto-signing) f32dbaf0b2 Imported Upstream version 5.18.0.225
Former-commit-id: 10196d987d5fc5564b9d3b33b1fdf13190f4d0b5
2018-12-21 19:01:49 +00:00

42 lines
787 B
LLVM

; RUN: llc -mtriple=i686-- -asm-verbose=false < %s | FileCheck %s
; Check that merging switch cases that differ in one bit works.
; CHECK-LABEL: test1
; CHECK: orl $2
; CHECK-NEXT: cmpl $6
define void @test1(i32 %variable) nounwind {
entry:
switch i32 %variable, label %if.end [
i32 4, label %if.then
i32 6, label %if.then
]
if.then:
%call = tail call i32 (...) @bar() nounwind
ret void
if.end:
ret void
}
; CHECK-LABEL: test2
; CHECK: orl $-2147483648
; CHECK-NEXT: cmpl $-2147483648
define void @test2(i32 %variable) nounwind {
entry:
switch i32 %variable, label %if.end [
i32 0, label %if.then
i32 -2147483648, label %if.then
]
if.then:
%call = tail call i32 (...) @bar() nounwind
ret void
if.end:
ret void
}
declare i32 @bar(...) nounwind