[llvm] r337094 - [NFC][InstCombine] Add forgotten variable tests for foldICmpWithLowBitMaskedVal()
Roman Lebedev via llvm-commits
llvm-commits at lists.llvm.org
Sat Jul 14 05:19:56 PDT 2018
Author: lebedevri
Date: Sat Jul 14 05:19:56 2018
New Revision: 337094
URL: http://llvm.org/viewvc/llvm-project?rev=337094&view=rev
Log:
[NFC][InstCombine] Add forgotten variable tests for foldICmpWithLowBitMaskedVal()
Modified:
llvm/trunk/test/Transforms/InstCombine/canonicalize-constant-low-bit-mask-and-icmp-eq-to-icmp-ule.ll
llvm/trunk/test/Transforms/InstCombine/canonicalize-constant-low-bit-mask-and-icmp-ne-to-icmp-ugt.ll
Modified: llvm/trunk/test/Transforms/InstCombine/canonicalize-constant-low-bit-mask-and-icmp-eq-to-icmp-ule.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/canonicalize-constant-low-bit-mask-and-icmp-eq-to-icmp-ule.ll?rev=337094&r1=337093&r2=337094&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/canonicalize-constant-low-bit-mask-and-icmp-eq-to-icmp-ule.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/canonicalize-constant-low-bit-mask-and-icmp-eq-to-icmp-ule.ll Sat Jul 14 05:19:56 2018
@@ -23,6 +23,18 @@ define i1 @p0(i8 %x) {
ret i1 %ret
}
+define i1 @pv(i8 %x, i8 %y) {
+; CHECK-LABEL: @pv(
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp uge i8 [[TMP0]], [[X:%.*]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %tmp0, %x
+ %ret = icmp eq i8 %tmp1, %x
+ ret i1 %ret
+}
+
; ============================================================================ ;
; Vector tests
; ============================================================================ ;
@@ -75,6 +87,52 @@ define i1 @c0() {
ret i1 %ret
}
+; ============================================================================ ;
+; Commutativity tests with variable
+; ============================================================================ ;
+
+define i1 @cv0(i8 %y) {
+; CHECK-LABEL: @cv0(
+; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ule i8 [[X]], [[TMP0]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %x = call i8 @gen8()
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %x, %tmp0 ; swapped order
+ %ret = icmp eq i8 %tmp1, %x
+ ret i1 %ret
+}
+
+define i1 @cv1(i8 %y) {
+; CHECK-LABEL: @cv1(
+; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ule i8 [[X]], [[TMP0]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %x = call i8 @gen8()
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %tmp0, %x
+ %ret = icmp eq i8 %x, %tmp1 ; swapped order
+ ret i1 %ret
+}
+
+define i1 @cv2(i8 %y) {
+; CHECK-LABEL: @cv2(
+; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ule i8 [[X]], [[TMP0]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %x = call i8 @gen8()
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %x, %tmp0 ; swapped order
+ %ret = icmp eq i8 %x, %tmp1 ; swapped order
+ ret i1 %ret
+}
+
; ============================================================================ ;
; One-use tests. We don't care about multi-uses here.
; ============================================================================ ;
Modified: llvm/trunk/test/Transforms/InstCombine/canonicalize-constant-low-bit-mask-and-icmp-ne-to-icmp-ugt.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/canonicalize-constant-low-bit-mask-and-icmp-ne-to-icmp-ugt.ll?rev=337094&r1=337093&r2=337094&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/canonicalize-constant-low-bit-mask-and-icmp-ne-to-icmp-ugt.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/canonicalize-constant-low-bit-mask-and-icmp-ne-to-icmp-ugt.ll Sat Jul 14 05:19:56 2018
@@ -23,6 +23,18 @@ define i1 @p0(i8 %x) {
ret i1 %ret
}
+define i1 @pv(i8 %x, i8 %y) {
+; CHECK-LABEL: @pv(
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i8 [[TMP0]], [[X:%.*]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %tmp0, %x
+ %ret = icmp ne i8 %tmp1, %x
+ ret i1 %ret
+}
+
; ============================================================================ ;
; Vector tests
; ============================================================================ ;
@@ -75,6 +87,52 @@ define i1 @c0() {
ret i1 %ret
}
+; ============================================================================ ;
+; Commutativity tests with variable
+; ============================================================================ ;
+
+define i1 @cv0(i8 %y) {
+; CHECK-LABEL: @cv0(
+; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i8 [[X]], [[TMP0]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %x = call i8 @gen8()
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %x, %tmp0 ; swapped order
+ %ret = icmp ne i8 %tmp1, %x
+ ret i1 %ret
+}
+
+define i1 @cv1(i8 %y) {
+; CHECK-LABEL: @cv1(
+; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i8 [[X]], [[TMP0]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %x = call i8 @gen8()
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %tmp0, %x
+ %ret = icmp ne i8 %x, %tmp1 ; swapped order
+ ret i1 %ret
+}
+
+define i1 @cv2(i8 %y) {
+; CHECK-LABEL: @cv2(
+; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i8 [[X]], [[TMP0]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %x = call i8 @gen8()
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %x, %tmp0 ; swapped order
+ %ret = icmp ne i8 %x, %tmp1 ; swapped order
+ ret i1 %ret
+}
+
; ============================================================================ ;
; One-use tests. We don't care about multi-uses here.
; ============================================================================ ;
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