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[InstCombine] Regenerate test pr17827. NFCI. 

Prep work for upcoming patch D63505.

llvm-svn: 364224
This commit is contained in:
Huihui Zhang 2019-06-24 19:49:42 +00:00
parent 73901961ee
commit 94b4316096
1 changed files with 6 additions and 6 deletions
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12
llvm/test/Transforms/InstCombine/pr17827.ll
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@ -4,7 +4,7 @@
; With left shift, the comparison should not be modified.
define i1 @test_shift_and_cmp_not_changed1(i8 %p) {
; CHECK-LABEL: @test_shift_and_cmp_not_changed1(
; CHECK-NEXT: [[SHLP:%.*]] = shl i8 %p, 5
; CHECK-NEXT: [[SHLP:%.*]] = shl i8 [[P:%.*]], 5
; CHECK-NEXT: [[ANDP:%.*]] = and i8 [[SHLP]], -64
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[ANDP]], 32
; CHECK-NEXT: ret i1 [[CMP]]
@ -18,7 +18,7 @@ define i1 @test_shift_and_cmp_not_changed1(i8 %p) {
; With arithmetic right shift, the comparison should not be modified.
define i1 @test_shift_and_cmp_not_changed2(i8 %p) {
; CHECK-LABEL: @test_shift_and_cmp_not_changed2(
; CHECK-NEXT: [[SHLP:%.*]] = ashr i8 %p, 5
; CHECK-NEXT: [[SHLP:%.*]] = ashr i8 [[P:%.*]], 5
; CHECK-NEXT: [[ANDP:%.*]] = and i8 [[SHLP]], -64
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[ANDP]], 32
; CHECK-NEXT: ret i1 [[CMP]]
@ -33,7 +33,7 @@ define i1 @test_shift_and_cmp_not_changed2(i8 %p) {
; The extra input parameter should be optimized away.
define i1 @test_shift_and_cmp_changed1(i8 %p, i8 %q) {
; CHECK-LABEL: @test_shift_and_cmp_changed1(
; CHECK-NEXT: [[ANDP:%.*]] = shl i8 %p, 5
; CHECK-NEXT: [[ANDP:%.*]] = shl i8 [[P:%.*]], 5
; CHECK-NEXT: [[SHL:%.*]] = and i8 [[ANDP]], -64
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[SHL]], 32
; CHECK-NEXT: ret i1 [[CMP]]
@ -66,7 +66,7 @@ define <2 x i1> @test_shift_and_cmp_changed1_vec(<2 x i8> %p, <2 x i8> %q) {
; Unsigned compare allows a transformation to compare against 0.
define i1 @test_shift_and_cmp_changed2(i8 %p) {
; CHECK-LABEL: @test_shift_and_cmp_changed2(
; CHECK-NEXT: [[ANDP:%.*]] = and i8 %p, 6
; CHECK-NEXT: [[ANDP:%.*]] = and i8 [[P:%.*]], 6
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[ANDP]], 0
; CHECK-NEXT: ret i1 [[CMP]]
;
@ -78,7 +78,7 @@ define i1 @test_shift_and_cmp_changed2(i8 %p) {
define <2 x i1> @test_shift_and_cmp_changed2_vec(<2 x i8> %p) {
; CHECK-LABEL: @test_shift_and_cmp_changed2_vec(
; CHECK-NEXT: [[ANDP:%.*]] = and <2 x i8> %p, <i8 6, i8 6>
; CHECK-NEXT: [[ANDP:%.*]] = and <2 x i8> [[P:%.*]], <i8 6, i8 6>
; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i8> [[ANDP]], zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
@ -91,7 +91,7 @@ define <2 x i1> @test_shift_and_cmp_changed2_vec(<2 x i8> %p) {
; nsw on the shift should not affect the comparison.
define i1 @test_shift_and_cmp_changed3(i8 %p) {
; CHECK-LABEL: @test_shift_and_cmp_changed3(
; CHECK-NEXT: [[SHLP:%.*]] = shl nsw i8 %p, 5
; CHECK-NEXT: [[SHLP:%.*]] = shl nsw i8 [[P:%.*]], 5
; CHECK-NEXT: [[ANDP:%.*]] = and i8 [[SHLP]], -64
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[ANDP]], 32
; CHECK-NEXT: ret i1 [[CMP]]