llvm/test/Verifier/speculatable-callsite-invalid.ll
Matt Arsenault ea376dae25 Add speculatable function attribute
This attribute tells the optimizer that the function may be speculated.

Patch by Tom Stellard

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301680 91177308-0d34-0410-b5e6-96231b3b80d8
2017-04-28 20:25:27 +00:00

25 lines
733 B
LLVM

; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
; Make sure that speculatable is not allowed on a call site if the
; declaration is not also speculatable.
declare i32 @not_speculatable()
; CHECK: speculatable attribute may not apply to call sites
; CHECK-NEXT: %ret = call i32 @not_speculatable() #0
define i32 @call_not_speculatable() {
%ret = call i32 @not_speculatable() #0
ret i32 %ret
}
@gv = internal unnamed_addr constant i32 0
; CHECK: speculatable attribute may not apply to call sites
; CHECK-NEXT: %ret = call float bitcast (i32* @gv to float ()*)() #0
define float @call_bitcast_speculatable() {
%ret = call float bitcast (i32* @gv to float()*)() #0
ret float %ret
}
attributes #0 = { speculatable }