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minimize tests 

The cmp and load aren't required.

llvm-svn: 274864
This commit is contained in:
Sanjay Patel 2016-07-08 16:11:48 +00:00
parent fb05cd997c
commit 46df968326
1 changed files with 8 additions and 16 deletions
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24
llvm/test/Transforms/InstCombine/or.ll
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@ -425,30 +425,22 @@ define i1 @test36(i32 %x) {
ret i1 %ret2
}
define i32 @test37(i32* %xp, i32 %y) {
; CHECK-LABEL: @test37(
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 %y, 0
; CHECK-NEXT: [[X:%.*]] = load i32, i32* [[X:%.*]]p, align 4
; CHECK-NEXT: [[OR:%.*]] = select i1 [[TOBOOL]], i32 -1, i32 [[X]]
define i32 @orsext_to_sel(i32 %x, i1 %y) {
; CHECK-LABEL: @orsext_to_sel(
; CHECK-NEXT: [[OR:%.*]] = select i1 %y, i32 -1, i32 %x
; CHECK-NEXT: ret i32 [[OR]]
;
%tobool = icmp ne i32 %y, 0
%sext = sext i1 %tobool to i32
%x = load i32, i32* %xp
%sext = sext i1 %y to i32
%or = or i32 %sext, %x
ret i32 %or
}
define i32 @test38(i32* %xp, i32 %y) {
; CHECK-LABEL: @test38(
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 %y, 0
; CHECK-NEXT: [[X:%.*]] = load i32, i32* [[X:%.*]]p, align 4
; CHECK-NEXT: [[OR:%.*]] = select i1 [[TOBOOL]], i32 -1, i32 [[X]]
define i32 @orsext_to_sel_swap(i32 %x, i1 %y) {
; CHECK-LABEL: @orsext_to_sel_swap(
; CHECK-NEXT: [[OR:%.*]] = select i1 %y, i32 -1, i32 %x
; CHECK-NEXT: ret i32 [[OR]]
;
%tobool = icmp ne i32 %y, 0
%sext = sext i1 %tobool to i32
%x = load i32, i32* %xp
%sext = sext i1 %y to i32
%or = or i32 %x, %sext
ret i32 %or
}