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-rw-r--r--test/Transforms/InstCombine/set.ll288
1 files changed, 195 insertions, 93 deletions
diff --git a/test/Transforms/InstCombine/set.ll b/test/Transforms/InstCombine/set.ll
index daa9148f6ad97..494a603790114 100644
--- a/test/Transforms/InstCombine/set.ll
+++ b/test/Transforms/InstCombine/set.ll
@@ -1,171 +1,273 @@
-; This test makes sure that these instructions are properly eliminated.
-;
-; RUN: opt < %s -instcombine -S | not grep icmp
-; END.
-
-@X = external global i32 ; <i32*> [#uses=2]
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; This test makes sure that all icmp instructions are eliminated.
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+@X = external global i32
define i1 @test1(i32 %A) {
- %B = icmp eq i32 %A, %A ; <i1> [#uses=1]
- ; Never true
- %C = icmp eq i32* @X, null ; <i1> [#uses=1]
- %D = and i1 %B, %C ; <i1> [#uses=1]
- ret i1 %D
+; CHECK-LABEL: @test1(
+; CHECK-NEXT: ret i1 false
+;
+ %B = icmp eq i32 %A, %A
+ ; Never true
+ %C = icmp eq i32* @X, null
+ %D = and i1 %B, %C
+ ret i1 %D
}
define i1 @test2(i32 %A) {
- %B = icmp ne i32 %A, %A ; <i1> [#uses=1]
- ; Never false
- %C = icmp ne i32* @X, null ; <i1> [#uses=1]
- %D = or i1 %B, %C ; <i1> [#uses=1]
- ret i1 %D
+; CHECK-LABEL: @test2(
+; CHECK-NEXT: ret i1 true
+;
+ %B = icmp ne i32 %A, %A
+ ; Never false
+ %C = icmp ne i32* @X, null
+ %D = or i1 %B, %C
+ ret i1 %D
}
define i1 @test3(i32 %A) {
- %B = icmp slt i32 %A, %A ; <i1> [#uses=1]
- ret i1 %B
+; CHECK-LABEL: @test3(
+; CHECK-NEXT: ret i1 false
+;
+ %B = icmp slt i32 %A, %A
+ ret i1 %B
}
define i1 @test4(i32 %A) {
- %B = icmp sgt i32 %A, %A ; <i1> [#uses=1]
- ret i1 %B
+; CHECK-LABEL: @test4(
+; CHECK-NEXT: ret i1 false
+;
+ %B = icmp sgt i32 %A, %A
+ ret i1 %B
}
define i1 @test5(i32 %A) {
- %B = icmp sle i32 %A, %A ; <i1> [#uses=1]
- ret i1 %B
+; CHECK-LABEL: @test5(
+; CHECK-NEXT: ret i1 true
+;
+ %B = icmp sle i32 %A, %A
+ ret i1 %B
}
define i1 @test6(i32 %A) {
- %B = icmp sge i32 %A, %A ; <i1> [#uses=1]
- ret i1 %B
+; CHECK-LABEL: @test6(
+; CHECK-NEXT: ret i1 true
+;
+ %B = icmp sge i32 %A, %A
+ ret i1 %B
}
define i1 @test7(i32 %A) {
- ; true
- %B = icmp uge i32 %A, 0 ; <i1> [#uses=1]
- ret i1 %B
+; CHECK-LABEL: @test7(
+; CHECK-NEXT: ret i1 true
+;
+ %B = icmp uge i32 %A, 0
+ ret i1 %B
}
define i1 @test8(i32 %A) {
- ; false
- %B = icmp ult i32 %A, 0 ; <i1> [#uses=1]
- ret i1 %B
+; CHECK-LABEL: @test8(
+; CHECK-NEXT: ret i1 false
+;
+ %B = icmp ult i32 %A, 0
+ ret i1 %B
}
;; test operations on boolean values these should all be eliminated$a
define i1 @test9(i1 %A) {
- ; false
- %B = icmp ult i1 %A, false ; <i1> [#uses=1]
- ret i1 %B
+; CHECK-LABEL: @test9(
+; CHECK-NEXT: ret i1 false
+;
+ %B = icmp ult i1 %A, false
+ ret i1 %B
}
define i1 @test10(i1 %A) {
- ; false
- %B = icmp ugt i1 %A, true ; <i1> [#uses=1]
- ret i1 %B
+; CHECK-LABEL: @test10(
+; CHECK-NEXT: ret i1 false
+;
+ %B = icmp ugt i1 %A, true
+ ret i1 %B
}
define i1 @test11(i1 %A) {
- ; true
- %B = icmp ule i1 %A, true ; <i1> [#uses=1]
- ret i1 %B
+; CHECK-LABEL: @test11(
+; CHECK-NEXT: ret i1 true
+;
+ %B = icmp ule i1 %A, true
+ ret i1 %B
}
define i1 @test12(i1 %A) {
- ; true
- %B = icmp uge i1 %A, false ; <i1> [#uses=1]
- ret i1 %B
+; CHECK-LABEL: @test12(
+; CHECK-NEXT: ret i1 true
+;
+ %B = icmp uge i1 %A, false
+ ret i1 %B
}
define i1 @test13(i1 %A, i1 %B) {
- ; A | ~B
- %C = icmp uge i1 %A, %B ; <i1> [#uses=1]
- ret i1 %C
+; CHECK-LABEL: @test13(
+; CHECK-NEXT: [[CTMP:%.*]] = xor i1 %B, true
+; CHECK-NEXT: [[C:%.*]] = or i1 [[CTMP]], %A
+; CHECK-NEXT: ret i1 [[C]]
+;
+ %C = icmp uge i1 %A, %B
+ ret i1 %C
+}
+
+define <2 x i1> @test13vec(<2 x i1> %A, <2 x i1> %B) {
+; CHECK-LABEL: @test13vec(
+; CHECK-NEXT: [[CTMP:%.*]] = xor <2 x i1> %B, <i1 true, i1 true>
+; CHECK-NEXT: [[C:%.*]] = or <2 x i1> [[CTMP]], %A
+; CHECK-NEXT: ret <2 x i1> [[C]]
+;
+ %C = icmp uge <2 x i1> %A, %B
+ ret <2 x i1> %C
}
define i1 @test14(i1 %A, i1 %B) {
- ; ~(A ^ B)
- %C = icmp eq i1 %A, %B ; <i1> [#uses=1]
- ret i1 %C
+; CHECK-LABEL: @test14(
+; CHECK-NEXT: [[CTMP:%.*]] = xor i1 %A, %B
+; CHECK-NEXT: [[C:%.*]] = xor i1 [[CTMP]], true
+; CHECK-NEXT: ret i1 [[C]]
+;
+ %C = icmp eq i1 %A, %B
+ ret i1 %C
+}
+
+define <3 x i1> @test14vec(<3 x i1> %A, <3 x i1> %B) {
+; CHECK-LABEL: @test14vec(
+; CHECK-NEXT: [[CTMP:%.*]] = xor <3 x i1> %A, %B
+; CHECK-NEXT: [[C:%.*]] = xor <3 x i1> [[CTMP]], <i1 true, i1 true, i1 true>
+; CHECK-NEXT: ret <3 x i1> [[C]]
+;
+ %C = icmp eq <3 x i1> %A, %B
+ ret <3 x i1> %C
}
define i1 @test16(i32 %A) {
- %B = and i32 %A, 5 ; <i32> [#uses=1]
- ; Is never true
- %C = icmp eq i32 %B, 8 ; <i1> [#uses=1]
- ret i1 %C
+; CHECK-LABEL: @test16(
+; CHECK-NEXT: ret i1 false
+;
+ %B = and i32 %A, 5
+ ; Is never true
+ %C = icmp eq i32 %B, 8
+ ret i1 %C
}
define i1 @test17(i8 %A) {
- %B = or i8 %A, 1 ; <i8> [#uses=1]
- ; Always false
- %C = icmp eq i8 %B, 2 ; <i1> [#uses=1]
- ret i1 %C
+; CHECK-LABEL: @test17(
+; CHECK-NEXT: ret i1 false
+;
+ %B = or i8 %A, 1
+ ; Always false
+ %C = icmp eq i8 %B, 2
+ ret i1 %C
}
define i1 @test18(i1 %C, i32 %a) {
+; CHECK-LABEL: @test18(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: br i1 %C, label %endif, label %else
+; CHECK: else:
+; CHECK-NEXT: br label %endif
+; CHECK: endif:
+; CHECK-NEXT: ret i1 true
+;
entry:
- br i1 %C, label %endif, label %else
+ br i1 %C, label %endif, label %else
-else: ; preds = %entry
- br label %endif
+else:
+ br label %endif
-endif: ; preds = %else, %entry
- %b.0 = phi i32 [ 0, %entry ], [ 1, %else ] ; <i32> [#uses=1]
- %tmp.4 = icmp slt i32 %b.0, 123 ; <i1> [#uses=1]
- ret i1 %tmp.4
+endif:
+ %b.0 = phi i32 [ 0, %entry ], [ 1, %else ]
+ %tmp.4 = icmp slt i32 %b.0, 123
+ ret i1 %tmp.4
}
define i1 @test19(i1 %A, i1 %B) {
- %a = zext i1 %A to i32 ; <i32> [#uses=1]
- %b = zext i1 %B to i32 ; <i32> [#uses=1]
- %C = icmp eq i32 %a, %b ; <i1> [#uses=1]
- ret i1 %C
+; CHECK-LABEL: @test19(
+; CHECK-NEXT: [[CTMP:%.*]] = xor i1 %A, %B
+; CHECK-NEXT: [[C:%.*]] = xor i1 [[CTMP]], true
+; CHECK-NEXT: ret i1 [[C]]
+;
+ %a = zext i1 %A to i32
+ %b = zext i1 %B to i32
+ %C = icmp eq i32 %a, %b
+ ret i1 %C
}
define i32 @test20(i32 %A) {
- %B = and i32 %A, 1 ; <i32> [#uses=1]
- %C = icmp ne i32 %B, 0 ; <i1> [#uses=1]
- %D = zext i1 %C to i32 ; <i32> [#uses=1]
- ret i32 %D
+; CHECK-LABEL: @test20(
+; CHECK-NEXT: [[B:%.*]] = and i32 %A, 1
+; CHECK-NEXT: ret i32 [[B]]
+;
+ %B = and i32 %A, 1
+ %C = icmp ne i32 %B, 0
+ %D = zext i1 %C to i32
+ ret i32 %D
}
define i32 @test21(i32 %a) {
- %tmp.6 = and i32 %a, 4 ; <i32> [#uses=1]
- %not.tmp.7 = icmp ne i32 %tmp.6, 0 ; <i1> [#uses=1]
- %retval = zext i1 %not.tmp.7 to i32 ; <i32> [#uses=1]
- ret i32 %retval
+; CHECK-LABEL: @test21(
+; CHECK-NEXT: [[TMP_6:%.*]] = lshr i32 %a, 2
+; CHECK-NEXT: [[TMP_6_LOBIT:%.*]] = and i32 [[TMP_6]], 1
+; CHECK-NEXT: ret i32 [[TMP_6_LOBIT]]
+;
+ %tmp.6 = and i32 %a, 4
+ %not.tmp.7 = icmp ne i32 %tmp.6, 0
+ %retval = zext i1 %not.tmp.7 to i32
+ ret i32 %retval
}
define i1 @test22(i32 %A, i32 %X) {
- %B = and i32 %A, 100663295 ; <i32> [#uses=1]
- %C = icmp ult i32 %B, 268435456 ; <i1> [#uses=1]
- %Y = and i32 %X, 7 ; <i32> [#uses=1]
- %Z = icmp sgt i32 %Y, -1 ; <i1> [#uses=1]
- %R = or i1 %C, %Z ; <i1> [#uses=1]
- ret i1 %R
+; CHECK-LABEL: @test22(
+; CHECK-NEXT: ret i1 true
+;
+ %B = and i32 %A, 100663295
+ %C = icmp ult i32 %B, 268435456
+ %Y = and i32 %X, 7
+ %Z = icmp sgt i32 %Y, -1
+ %R = or i1 %C, %Z
+ ret i1 %R
}
define i32 @test23(i32 %a) {
- %tmp.1 = and i32 %a, 1 ; <i32> [#uses=1]
- %tmp.2 = icmp eq i32 %tmp.1, 0 ; <i1> [#uses=1]
- %tmp.3 = zext i1 %tmp.2 to i32 ; <i32> [#uses=1]
- ret i32 %tmp.3
+; CHECK-LABEL: @test23(
+; CHECK-NEXT: [[TMP_1:%.*]] = and i32 %a, 1
+; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[TMP_1]], 1
+; CHECK-NEXT: ret i32 [[TMP1]]
+;
+ %tmp.1 = and i32 %a, 1
+ %tmp.2 = icmp eq i32 %tmp.1, 0
+ %tmp.3 = zext i1 %tmp.2 to i32
+ ret i32 %tmp.3
}
define i32 @test24(i32 %a) {
- %tmp1 = and i32 %a, 4 ; <i32> [#uses=1]
- %tmp.1 = lshr i32 %tmp1, 2 ; <i32> [#uses=1]
- %tmp.2 = icmp eq i32 %tmp.1, 0 ; <i1> [#uses=1]
- %tmp.3 = zext i1 %tmp.2 to i32 ; <i32> [#uses=1]
- ret i32 %tmp.3
+; CHECK-LABEL: @test24(
+; CHECK-NEXT: [[TMP_1:%.*]] = lshr i32 %a, 2
+; CHECK-NEXT: [[TMP_1_LOBIT:%.*]] = and i32 [[TMP_1]], 1
+; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[TMP_1_LOBIT]], 1
+; CHECK-NEXT: ret i32 [[TMP1]]
+;
+ %tmp1 = and i32 %a, 4
+ %tmp.1 = lshr i32 %tmp1, 2
+ %tmp.2 = icmp eq i32 %tmp.1, 0
+ %tmp.3 = zext i1 %tmp.2 to i32
+ ret i32 %tmp.3
}
define i1 @test25(i32 %A) {
- %B = and i32 %A, 2 ; <i32> [#uses=1]
- %C = icmp ugt i32 %B, 2 ; <i1> [#uses=1]
- ret i1 %C
+; CHECK-LABEL: @test25(
+; CHECK-NEXT: ret i1 false
+;
+ %B = and i32 %A, 2
+ %C = icmp ugt i32 %B, 2
+ ret i1 %C
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-17 01:42:07 +0000