llvm-mirror/test/Transforms/SimplifyCFG/speculate-call.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

24 lines
422 B
LLVM

; RUN: opt -S -simplifycfg < %s | FileCheck %s
; CHECK-LABEL: @speculatable_attribute
; CHECK: select
define i32 @speculatable_attribute(i32 %a) {
entry:
%c = icmp sgt i32 %a, 64
br i1 %c, label %end, label %if
if:
%val = call i32 @func() #0
br label %end
end:
%ret = phi i32 [%val, %if], [0, %entry]
ret i32 %ret
}
define i32 @func() #0 {
ret i32 1
}
attributes #0 = { nounwind readnone speculatable }