maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[InstCombine][NFC] reuse-constant-from-select-in-icmp.ll - check branch_weights too 

llvm-svn: 369166
This commit is contained in:
Roman Lebedev 2019-08-16 23:06:37 +00:00
parent 0c2f26d664
commit 515ad8fe4a
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
llvm/test/Transforms/InstCombine/reuse-constant-from-select-in-icmp.ll
View File

@ -14,14 +14,16 @@
; Canonical scalar predicates
;------------------------------------------------------------------------------;
!0 = !{!"branch_weights", i32 2000, i32 1}
define i32 @p0_ult_65536(i32 %x, i32 %y) {
; CHECK-LABEL: @p0_ult_65536(
; CHECK-NEXT: [[T:%.*]] = icmp ult i32 [[X:%.*]], 65536
; CHECK-NEXT: [[R:%.*]] = select i1 [[T]], i32 [[Y:%.*]], i32 65535
; CHECK-NEXT: [[R:%.*]] = select i1 [[T]], i32 [[Y:%.*]], i32 65535, !prof !0
; CHECK-NEXT: ret i32 [[R]]
;
%t = icmp ult i32 %x, 65536
%r = select i1 %t, i32 %y, i32 65535
%r = select i1 %t, i32 %y, i32 65535, !prof !0
ret i32 %r
}
define i32 @p1_ugt(i32 %x, i32 %y) {
@ -318,3 +320,7 @@ define i32 @n26_all_good1(i32 %x, i32 %y) {
%r = select i1 %t, i32 65536, i32 65535
ret i32 %r
}
; CHECK: !0 = !{!"branch_weights", i32 2000, i32 1}