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-rw-r--r--test/Transforms/InstCombine/xor.ll86
1 files changed, 85 insertions, 1 deletions
diff --git a/test/Transforms/InstCombine/xor.ll b/test/Transforms/InstCombine/xor.ll
index 3722697..c8debcb 100644
--- a/test/Transforms/InstCombine/xor.ll
+++ b/test/Transforms/InstCombine/xor.ll
@@ -1,50 +1,70 @@
; This test makes sure that these instructions are properly eliminated.
;
; RUN: opt < %s -instcombine -S | \
-; RUN: not grep "xor "
+; RUN: FileCheck %s
; END.
@G1 = global i32 0 ; <i32*> [#uses=1]
@G2 = global i32 0 ; <i32*> [#uses=1]
define i1 @test0(i1 %A) {
+; CHECK-LABEL: @test0(
+; CHECK-NEXT: ret i1 %A
%B = xor i1 %A, false ; <i1> [#uses=1]
ret i1 %B
}
define i32 @test1(i32 %A) {
+; CHECK-LABEL: @test1(
+; CHECK-NEXT: ret i32 %A
%B = xor i32 %A, 0 ; <i32> [#uses=1]
ret i32 %B
}
define i1 @test2(i1 %A) {
+; CHECK-LABEL: @test2(
+; CHECK-NEXT: ret i1 false
%B = xor i1 %A, %A ; <i1> [#uses=1]
ret i1 %B
}
define i32 @test3(i32 %A) {
+; CHECK-LABEL: @test3(
+; CHECK-NEXT: ret i32 0
%B = xor i32 %A, %A ; <i32> [#uses=1]
ret i32 %B
}
define i32 @test4(i32 %A) {
+; CHECK-LABEL: @test4(
+; CHECK-NEXT: ret i32 -1
%NotA = xor i32 -1, %A ; <i32> [#uses=1]
%B = xor i32 %A, %NotA ; <i32> [#uses=1]
ret i32 %B
}
define i32 @test5(i32 %A) {
+; CHECK-LABEL: @test5(
+; CHECK-NEXT: %1 = and i32 %A, -124
+; CHECK-NEXT: ret i32 %1
%t1 = or i32 %A, 123 ; <i32> [#uses=1]
%r = xor i32 %t1, 123 ; <i32> [#uses=1]
ret i32 %r
}
define i8 @test6(i8 %A) {
+; CHECK-LABEL: @test6(
+; CHECK-NEXT: ret i8 %A
%B = xor i8 %A, 17 ; <i8> [#uses=1]
%C = xor i8 %B, 17 ; <i8> [#uses=1]
ret i8 %C
}
define i32 @test7(i32 %A, i32 %B) {
+; CHECK-LABEL: @test7(
+; CHECK-NEXT: %A1 = and i32 %A, 7
+; CHECK-NEXT: %B1 = and i32 %B, 128
+; CHECK-NEXT: %C11 = or i32 %A1, %B1
+; CHECK-NEXT: ret i32 %C11
%A1 = and i32 %A, 7 ; <i32> [#uses=1]
%B1 = and i32 %B, 128 ; <i32> [#uses=1]
%C1 = xor i32 %A1, %B1 ; <i32> [#uses=1]
@@ -52,6 +72,8 @@ define i32 @test7(i32 %A, i32 %B) {
}
define i8 @test8(i1 %c) {
+; CHECK-LABEL: @test8(
+; CHECK: br i1 %c, label %False, label %True
%d = xor i1 %c, true ; <i1> [#uses=1]
br i1 %d, label %True, label %False
@@ -63,30 +85,47 @@ False: ; preds = %0
}
define i1 @test9(i8 %A) {
+; CHECK-LABEL: @test9(
+; CHECK-NEXT: %C = icmp eq i8 %A, 89
+; CHECK-NEXT: ret i1 %C
%B = xor i8 %A, 123 ; <i8> [#uses=1]
%C = icmp eq i8 %B, 34 ; <i1> [#uses=1]
ret i1 %C
}
define i8 @test10(i8 %A) {
+; CHECK-LABEL: @test10(
+; CHECK-NEXT: %B = and i8 %A, 3
+; CHECK-NEXT: %C1 = or i8 %B, 4
+; CHECK-NEXT: ret i8 %C1
%B = and i8 %A, 3 ; <i8> [#uses=1]
%C = xor i8 %B, 4 ; <i8> [#uses=1]
ret i8 %C
}
define i8 @test11(i8 %A) {
+; CHECK-LABEL: @test11(
+; CHECK-NEXT: %B = and i8 %A, -13
+; CHECK-NEXT: %1 = or i8 %B, 8
+; CHECK-NEXT: ret i8 %1
%B = or i8 %A, 12 ; <i8> [#uses=1]
%C = xor i8 %B, 4 ; <i8> [#uses=1]
ret i8 %C
}
define i1 @test12(i8 %A) {
+; CHECK-LABEL: @test12(
+; CHECK-NEXT: %c = icmp ne i8 %A, 4
+; CHECK-NEXT: ret i1 %c
%B = xor i8 %A, 4 ; <i8> [#uses=1]
%c = icmp ne i8 %B, 0 ; <i1> [#uses=1]
ret i1 %c
}
define i1 @test13(i8 %A, i8 %B) {
+; CHECK-LABEL: @test13(
+; CHECK-NEXT: %1 = icmp ne i8 %A, %B
+; CHECK-NEXT: ret i1 %1
%C = icmp ult i8 %A, %B ; <i1> [#uses=1]
%D = icmp ugt i8 %A, %B ; <i1> [#uses=1]
%E = xor i1 %C, %D ; <i1> [#uses=1]
@@ -94,6 +133,8 @@ define i1 @test13(i8 %A, i8 %B) {
}
define i1 @test14(i8 %A, i8 %B) {
+; CHECK-LABEL: @test14(
+; CHECK-NEXT: ret i1 true
%C = icmp eq i8 %A, %B ; <i1> [#uses=1]
%D = icmp ne i8 %B, %A ; <i1> [#uses=1]
%E = xor i1 %C, %D ; <i1> [#uses=1]
@@ -101,36 +142,54 @@ define i1 @test14(i8 %A, i8 %B) {
}
define i32 @test15(i32 %A) {
+; CHECK-LABEL: @test15(
+; CHECK-NEXT: %C = sub i32 0, %A
+; CHECK-NEXT: ret i32 %C
%B = add i32 %A, -1 ; <i32> [#uses=1]
%C = xor i32 %B, -1 ; <i32> [#uses=1]
ret i32 %C
}
define i32 @test16(i32 %A) {
+; CHECK-LABEL: @test16(
+; CHECK-NEXT: %C = sub i32 -124, %A
+; CHECK-NEXT: ret i32 %C
%B = add i32 %A, 123 ; <i32> [#uses=1]
%C = xor i32 %B, -1 ; <i32> [#uses=1]
ret i32 %C
}
define i32 @test17(i32 %A) {
+; CHECK-LABEL: @test17(
+; CHECK-NEXT: %C = add i32 %A, -124
+; CHECK-NEXT: ret i32 %C
%B = sub i32 123, %A ; <i32> [#uses=1]
%C = xor i32 %B, -1 ; <i32> [#uses=1]
ret i32 %C
}
define i32 @test18(i32 %A) {
+; CHECK-LABEL: @test18(
+; CHECK-NEXT: %C = add i32 %A, 124
+; CHECK-NEXT: ret i32 %C
%B = xor i32 %A, -1 ; <i32> [#uses=1]
%C = sub i32 123, %B ; <i32> [#uses=1]
ret i32 %C
}
define i32 @test19(i32 %A, i32 %B) {
+; CHECK-LABEL: @test19(
+; CHECK-NEXT: ret i32 %B
%C = xor i32 %A, %B ; <i32> [#uses=1]
%D = xor i32 %C, %A ; <i32> [#uses=1]
ret i32 %D
}
define void @test20(i32 %A, i32 %B) {
+; CHECK-LABEL: @test20(
+; CHECK-NEXT: store i32 %B, i32* @G1
+; CHECK-NEXT: store i32 %A, i32* @G2
+; CHECK-NEXT: ret void
%tmp.2 = xor i32 %B, %A ; <i32> [#uses=2]
%tmp.5 = xor i32 %tmp.2, %B ; <i32> [#uses=2]
%tmp.8 = xor i32 %tmp.5, %tmp.2 ; <i32> [#uses=1]
@@ -140,12 +199,18 @@ define void @test20(i32 %A, i32 %B) {
}
define i32 @test21(i1 %C, i32 %A, i32 %B) {
+; CHECK-LABEL: @test21(
+; CHECK-NEXT: %D = select i1 %C, i32 %B, i32 %A
+; CHECK-NEXT: ret i32 %D
%C2 = xor i1 %C, true ; <i1> [#uses=1]
%D = select i1 %C2, i32 %A, i32 %B ; <i32> [#uses=1]
ret i32 %D
}
define i32 @test22(i1 %X) {
+; CHECK-LABEL: @test22(
+; CHECK-NEXT: %1 = zext i1 %X to i32
+; CHECK-NEXT: ret i32 %1
%Y = xor i1 %X, true ; <i1> [#uses=1]
%Z = zext i1 %Y to i32 ; <i32> [#uses=1]
%Q = xor i32 %Z, 1 ; <i32> [#uses=1]
@@ -153,18 +218,27 @@ define i32 @test22(i1 %X) {
}
define i1 @test23(i32 %a, i32 %b) {
+; CHECK-LABEL: @test23(
+; CHECK-NEXT: %tmp.4 = icmp eq i32 %b, 0
+; CHECK-NEXT: ret i1 %tmp.4
%tmp.2 = xor i32 %b, %a ; <i32> [#uses=1]
%tmp.4 = icmp eq i32 %tmp.2, %a ; <i1> [#uses=1]
ret i1 %tmp.4
}
define i1 @test24(i32 %c, i32 %d) {
+; CHECK-LABEL: @test24(
+; CHECK-NEXT: %tmp.4 = icmp ne i32 %d, 0
+; CHECK-NEXT: ret i1 %tmp.4
%tmp.2 = xor i32 %d, %c ; <i32> [#uses=1]
%tmp.4 = icmp ne i32 %tmp.2, %c ; <i1> [#uses=1]
ret i1 %tmp.4
}
define i32 @test25(i32 %g, i32 %h) {
+; CHECK-LABEL: @test25(
+; CHECK-NEXT: %tmp4 = and i32 %h, %g
+; CHECK-NEXT: ret i32 %tmp4
%h2 = xor i32 %h, -1 ; <i32> [#uses=1]
%tmp2 = and i32 %h2, %g ; <i32> [#uses=1]
%tmp4 = xor i32 %tmp2, %g ; <i32> [#uses=1]
@@ -172,6 +246,9 @@ define i32 @test25(i32 %g, i32 %h) {
}
define i32 @test26(i32 %a, i32 %b) {
+; CHECK-LABEL: @test26(
+; CHECK-NEXT: %tmp4 = and i32 %a, %b
+; CHECK-NEXT: ret i32 %tmp4
%b2 = xor i32 %b, -1 ; <i32> [#uses=1]
%tmp2 = xor i32 %a, %b2 ; <i32> [#uses=1]
%tmp4 = and i32 %tmp2, %a ; <i32> [#uses=1]
@@ -179,6 +256,10 @@ define i32 @test26(i32 %a, i32 %b) {
}
define i32 @test27(i32 %b, i32 %c, i32 %d) {
+; CHECK-LABEL: @test27(
+; CHECK-NEXT: %tmp = icmp eq i32 %b, %c
+; CHECK-NEXT: %tmp6 = zext i1 %tmp to i32
+; CHECK-NEXT: ret i32 %tmp6
%tmp2 = xor i32 %d, %b ; <i32> [#uses=1]
%tmp5 = xor i32 %d, %c ; <i32> [#uses=1]
%tmp = icmp eq i32 %tmp2, %tmp5 ; <i1> [#uses=1]
@@ -187,6 +268,9 @@ define i32 @test27(i32 %b, i32 %c, i32 %d) {
}
define i32 @test28(i32 %indvar) {
+; CHECK-LABEL: @test28(
+; CHECK-NEXT: %tmp214 = add i32 %indvar, 1
+; CHECK-NEXT: ret i32 %tmp214
%tmp7 = add i32 %indvar, -2147483647 ; <i32> [#uses=1]
%tmp214 = xor i32 %tmp7, -2147483648 ; <i32> [#uses=1]
ret i32 %tmp214
generated by cgit v1.1 at 2024-12-22 11:10:16 +0000