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-rw-r--r--test/Transforms/InstCombine/intrinsics.ll122
1 files changed, 108 insertions, 14 deletions
diff --git a/test/Transforms/InstCombine/intrinsics.ll b/test/Transforms/InstCombine/intrinsics.ll
index 9b58d93..2791adf 100644
--- a/test/Transforms/InstCombine/intrinsics.ll
+++ b/test/Transforms/InstCombine/intrinsics.ll
@@ -1,10 +1,17 @@
; RUN: opt -instcombine -S < %s | FileCheck %s
%overflow.result = type {i8, i1}
+%ov.result.32 = type { i32, i1 }
+
-declare %overflow.result @llvm.uadd.with.overflow.i8(i8, i8)
-declare { i32, i1 } @llvm.sadd.with.overflow.i32(i32, i32)
-declare %overflow.result @llvm.umul.with.overflow.i8(i8, i8)
+declare %overflow.result @llvm.uadd.with.overflow.i8(i8, i8) nounwind readnone
+declare %overflow.result @llvm.umul.with.overflow.i8(i8, i8) nounwind readnone
+declare %ov.result.32 @llvm.sadd.with.overflow.i32(i32, i32) nounwind readnone
+declare %ov.result.32 @llvm.uadd.with.overflow.i32(i32, i32) nounwind readnone
+declare %ov.result.32 @llvm.ssub.with.overflow.i32(i32, i32) nounwind readnone
+declare %ov.result.32 @llvm.usub.with.overflow.i32(i32, i32) nounwind readnone
+declare %ov.result.32 @llvm.smul.with.overflow.i32(i32, i32) nounwind readnone
+declare %ov.result.32 @llvm.umul.with.overflow.i32(i32, i32) nounwind readnone
declare double @llvm.powi.f64(double, i32) nounwind readonly
declare i32 @llvm.cttz.i32(i32, i1) nounwind readnone
declare i32 @llvm.ctlz.i32(i32, i1) nounwind readnone
@@ -91,17 +98,92 @@ define i8 @uaddtest7(i8 %A, i8 %B) {
}
; PR20194
-define { i32, i1 } @saddtest1(i8 %a, i8 %b) {
+define %ov.result.32 @saddtest_nsw(i8 %a, i8 %b) {
%A = sext i8 %a to i32
%B = sext i8 %b to i32
- %x = call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %A, i32 %B)
- ret { i32, i1 } %x
-; CHECK-LABEL: @saddtest1
+ %x = call %ov.result.32 @llvm.sadd.with.overflow.i32(i32 %A, i32 %B)
+ ret %ov.result.32 %x
+; CHECK-LABEL: @saddtest_nsw
; CHECK: %x = add nsw i32 %A, %B
-; CHECK-NEXT: %1 = insertvalue { i32, i1 } { i32 undef, i1 false }, i32 %x, 0
-; CHECK-NEXT: ret { i32, i1 } %1
+; CHECK-NEXT: %1 = insertvalue %ov.result.32 { i32 undef, i1 false }, i32 %x, 0
+; CHECK-NEXT: ret %ov.result.32 %1
}
+define %ov.result.32 @uaddtest_nuw(i32 %a, i32 %b) {
+ %A = and i32 %a, 2147483647
+ %B = and i32 %b, 2147483647
+ %x = call %ov.result.32 @llvm.uadd.with.overflow.i32(i32 %A, i32 %B)
+ ret %ov.result.32 %x
+; CHECK-LABEL: @uaddtest_nuw
+; CHECK: %x = add nuw i32 %A, %B
+; CHECK-NEXT: %1 = insertvalue %ov.result.32 { i32 undef, i1 false }, i32 %x, 0
+; CHECK-NEXT: ret %ov.result.32 %1
+}
+
+define %ov.result.32 @ssubtest_nsw(i8 %a, i8 %b) {
+ %A = sext i8 %a to i32
+ %B = sext i8 %b to i32
+ %x = call %ov.result.32 @llvm.ssub.with.overflow.i32(i32 %A, i32 %B)
+ ret %ov.result.32 %x
+; CHECK-LABEL: @ssubtest_nsw
+; CHECK: %x = sub nsw i32 %A, %B
+; CHECK-NEXT: %1 = insertvalue %ov.result.32 { i32 undef, i1 false }, i32 %x, 0
+; CHECK-NEXT: ret %ov.result.32 %1
+}
+
+define %ov.result.32 @usubtest_nuw(i32 %a, i32 %b) {
+ %A = or i32 %a, 2147483648
+ %B = and i32 %b, 2147483647
+ %x = call %ov.result.32 @llvm.usub.with.overflow.i32(i32 %A, i32 %B)
+ ret %ov.result.32 %x
+; CHECK-LABEL: @usubtest_nuw
+; CHECK: %x = sub nuw i32 %A, %B
+; CHECK-NEXT: %1 = insertvalue %ov.result.32 { i32 undef, i1 false }, i32 %x, 0
+; CHECK-NEXT: ret %ov.result.32 %1
+}
+
+define %ov.result.32 @smultest1_nsw(i32 %a, i32 %b) {
+ %A = and i32 %a, 4095 ; 0xfff
+ %B = and i32 %b, 524287; 0x7ffff
+ %x = call %ov.result.32 @llvm.smul.with.overflow.i32(i32 %A, i32 %B)
+ ret %ov.result.32 %x
+; CHECK-LABEL: @smultest1_nsw
+; CHECK: %x = mul nuw nsw i32 %A, %B
+; CHECK-NEXT: %1 = insertvalue %ov.result.32 { i32 undef, i1 false }, i32 %x, 0
+; CHECK-NEXT: ret %ov.result.32 %1
+}
+
+define %ov.result.32 @smultest2_nsw(i32 %a, i32 %b) {
+ %A = ashr i32 %a, 16
+ %B = ashr i32 %b, 16
+ %x = call %ov.result.32 @llvm.smul.with.overflow.i32(i32 %A, i32 %B)
+ ret %ov.result.32 %x
+; CHECK-LABEL: @smultest2_nsw
+; CHECK: %x = mul nsw i32 %A, %B
+; CHECK-NEXT: %1 = insertvalue %ov.result.32 { i32 undef, i1 false }, i32 %x, 0
+; CHECK-NEXT: ret %ov.result.32 %1
+}
+
+define %ov.result.32 @smultest3_sw(i32 %a, i32 %b) {
+ %A = ashr i32 %a, 16
+ %B = ashr i32 %b, 15
+ %x = call %ov.result.32 @llvm.smul.with.overflow.i32(i32 %A, i32 %B)
+ ret %ov.result.32 %x
+; CHECK-LABEL: @smultest3_sw
+; CHECK: %x = call %ov.result.32 @llvm.smul.with.overflow.i32(i32 %A, i32 %B)
+; CHECK-NEXT: ret %ov.result.32 %x
+}
+
+define %ov.result.32 @umultest_nuw(i32 %a, i32 %b) {
+ %A = and i32 %a, 65535 ; 0xffff
+ %B = and i32 %b, 65535 ; 0xffff
+ %x = call %ov.result.32 @llvm.umul.with.overflow.i32(i32 %A, i32 %B)
+ ret %ov.result.32 %x
+; CHECK-LABEL: @umultest_nuw
+; CHECK: %x = mul nuw i32 %A, %B
+; CHECK-NEXT: %1 = insertvalue %ov.result.32 { i32 undef, i1 false }, i32 %x, 0
+; CHECK-NEXT: ret %ov.result.32 %1
+}
define i8 @umultest1(i8 %A, i1* %overflowPtr) {
%x = call %overflow.result @llvm.umul.with.overflow.i8(i8 0, i8 %A)
@@ -125,9 +207,6 @@ define i8 @umultest2(i8 %A, i1* %overflowPtr) {
; CHECK-NEXT: ret i8 %A
}
-%ov.result.32 = type { i32, i1 }
-declare %ov.result.32 @llvm.umul.with.overflow.i32(i32, i32) nounwind readnone
-
define i32 @umultest3(i32 %n) nounwind {
%shr = lshr i32 %n, 2
%mul = call %ov.result.32 @llvm.umul.with.overflow.i32(i32 %shr, i32 3)
@@ -152,6 +231,19 @@ define i32 @umultest4(i32 %n) nounwind {
; CHECK: umul.with.overflow
}
+define %ov.result.32 @umultest5(i32 %x, i32 %y) nounwind {
+ %or_x = or i32 %x, 2147483648
+ %or_y = or i32 %y, 2147483648
+ %mul = call %ov.result.32 @llvm.umul.with.overflow.i32(i32 %or_x, i32 %or_y)
+ ret %ov.result.32 %mul
+; CHECK-LABEL: @umultest5(
+; CHECK-NEXT: %[[or_x:.*]] = or i32 %x, -2147483648
+; CHECK-NEXT: %[[or_y:.*]] = or i32 %y, -2147483648
+; CHECK-NEXT: %[[mul:.*]] = mul i32 %[[or_x]], %[[or_y]]
+; CHECK-NEXT: %[[ret:.*]] = insertvalue %ov.result.32 { i32 undef, i1 true }, i32 %[[mul]], 0
+; CHECK-NEXT: ret %ov.result.32 %[[ret]]
+}
+
define void @powi(double %V, double *%P) {
entry:
%A = tail call double @llvm.powi.f64(double %V, i32 -1) nounwind
@@ -257,7 +349,8 @@ define i32 @ctlz_select(i32 %Value) nounwind {
ret i32 %s
; CHECK-LABEL: @ctlz_select(
-; CHECK: select i1 %tobool, i32 %ctlz, i32 32
+; CHECK-NEXT: call i32 @llvm.ctlz.i32(i32 %Value, i1 false)
+; CHECK-NEXT: ret i32
}
define i32 @cttz_select(i32 %Value) nounwind {
@@ -267,5 +360,6 @@ define i32 @cttz_select(i32 %Value) nounwind {
ret i32 %s
; CHECK-LABEL: @cttz_select(
-; CHECK: select i1 %tobool, i32 %cttz, i32 32
+; CHECK-NEXT: call i32 @llvm.cttz.i32(i32 %Value, i1 false)
+; CHECK-NEXT: ret i32
}
generated by cgit v1.1 at 2025-01-07 06:27:23 +0000