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authorSanjay Patel <spatel@rotateright.com>2016-08-14 22:28:50 +0000
committerSanjay Patel <spatel@rotateright.com>2016-08-14 22:28:50 +0000
commitba1f9fbddcaed80c024594477c229334d19da348 (patch)
tree25b51d2555803188dd2342a5f1941c0277edb914
parentf6559404d567ea95a6f77f90cbc81aa3b1a9d959 (diff)
downloadbcm5719-llvm-ba1f9fbddcaed80c024594477c229334d19da348.tar.gz
bcm5719-llvm-ba1f9fbddcaed80c024594477c229334d19da348.zip
[InstCombine] add tests for missing vector icmp folds
llvm-svn: 278634
-rw-r--r--llvm/test/Transforms/InstCombine/icmp.ll36
1 files changed, 36 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/icmp.ll b/llvm/test/Transforms/InstCombine/icmp.ll
index f08eda131e3..7fbc23517f3 100644
--- a/llvm/test/Transforms/InstCombine/icmp.ll
+++ b/llvm/test/Transforms/InstCombine/icmp.ll
@@ -963,6 +963,18 @@ define i1 @test67(i32 %x) {
ret i1 %cmp
}
+; FIXME: Vectors should fold the same way.
+define <2 x i1> @test67vec(<2 x i32> %x) {
+; CHECK-LABEL: @test67vec(
+; CHECK-NEXT: [[AND:%.*]] = and <2 x i32> %x, <i32 127, i32 127>
+; CHECK-NEXT: [[CMP:%.*]] = icmp ugt <2 x i32> [[AND]], <i32 31, i32 31>
+; CHECK-NEXT: ret <2 x i1> [[CMP]]
+;
+ %and = and <2 x i32> %x, <i32 127, i32 127>
+ %cmp = icmp sgt <2 x i32> %and, <i32 31, i32 31>
+ ret <2 x i1> %cmp
+}
+
define i1 @test68(i32 %x) {
; CHECK-LABEL: @test68(
; CHECK-NEXT: [[AND:%.*]] = and i32 %x, 127
@@ -1541,6 +1553,18 @@ define i1 @icmp_and_X_-16_eq-16(i32 %X) {
ret i1 %cmp
}
+; FIXME: Vectors should fold the same way.
+define <2 x i1> @icmp_and_X_-16_eq-16_vec(<2 x i32> %X) {
+; CHECK-LABEL: @icmp_and_X_-16_eq-16_vec(
+; CHECK-NEXT: [[AND:%.*]] = and <2 x i32> %X, <i32 -16, i32 -16>
+; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i32> [[AND]], <i32 -16, i32 -16>
+; CHECK-NEXT: ret <2 x i1> [[CMP]]
+;
+ %and = and <2 x i32> %X, <i32 -16, i32 -16>
+ %cmp = icmp eq <2 x i32> %and, <i32 -16, i32 -16>
+ ret <2 x i1> %cmp
+}
+
define i1 @icmp_and_X_-16_ne-16(i32 %X) {
; CHECK-LABEL: @icmp_and_X_-16_ne-16(
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 %X, -16
@@ -1551,6 +1575,18 @@ define i1 @icmp_and_X_-16_ne-16(i32 %X) {
ret i1 %cmp
}
+; FIXME: Vectors should fold the same way.
+define <2 x i1> @icmp_and_X_-16_ne-16_vec(<2 x i32> %X) {
+; CHECK-LABEL: @icmp_and_X_-16_ne-16_vec(
+; CHECK-NEXT: [[AND:%.*]] = and <2 x i32> %X, <i32 -16, i32 -16>
+; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[AND]], <i32 -16, i32 -16>
+; CHECK-NEXT: ret <2 x i1> [[CMP]]
+;
+ %and = and <2 x i32> %X, <i32 -16, i32 -16>
+ %cmp = icmp ne <2 x i32> %and, <i32 -16, i32 -16>
+ ret <2 x i1> %cmp
+}
+
define i1 @icmp_sub_-1_X_ult_4(i32 %X) {
; CHECK-LABEL: @icmp_sub_-1_X_ult_4(
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 %X, -5
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