Revert "Don't create unnecessary PHIs"

[oota-llvm.git] / test / Transforms / ConstProp / overflow-ops.ll

diff --git a/test/Transforms/ConstProp/overflow-ops.ll b/test/Transforms/ConstProp/overflow-ops.ll
index 1547a4d0f5b81b867444adf8e778b4a0975fe495..1ae3e562e7e9133c3faa517e88ebd27e57097242 100644 (file)
--- a/test/Transforms/ConstProp/overflow-ops.ll
+++ b/test/Transforms/ConstProp/overflow-ops.ll
@@ -1,6 +1,13 @@
 ; RUN: opt < %s -constprop -S | FileCheck %s
 
-%i8i1 = type {i8, i1}
+
+declare {i8, i1} @llvm.uadd.with.overflow.i8(i8, i8)
+declare {i8, i1} @llvm.usub.with.overflow.i8(i8, i8)
+declare {i8, i1} @llvm.umul.with.overflow.i8(i8, i8)
+
+declare {i8, i1} @llvm.sadd.with.overflow.i8(i8, i8)
+declare {i8, i1} @llvm.ssub.with.overflow.i8(i8, i8)
+declare {i8, i1} @llvm.smul.with.overflow.i8(i8, i8)
 
 ;;-----------------------------
 ;; uadd
@@ -11,8 +18,8 @@ entry:
   %t = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 42, i8 100)
   ret {i8, i1} %t
 
-; CHECK: @uadd_1
-; CHECK: ret %i8i1 { i8 -114, i1 false }
+; CHECK-LABEL: @uadd_1(
+; CHECK: ret { i8, i1 } { i8 -114, i1 false }
 }
 
 define {i8, i1} @uadd_2() nounwind {
@@ -20,8 +27,8 @@ entry:
   %t = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 142, i8 120)
   ret {i8, i1} %t
 
-; CHECK: @uadd_2
-; CHECK: ret %i8i1 { i8 6, i1 true }
+; CHECK-LABEL: @uadd_2(
+; CHECK: ret { i8, i1 } { i8 6, i1 true }
 }
 
 ;;-----------------------------
@@ -33,8 +40,8 @@ entry:
   %t = call {i8, i1} @llvm.usub.with.overflow.i8(i8 4, i8 2)
   ret {i8, i1} %t
 
-; CHECK: @usub_1
-; CHECK: ret %i8i1 { i8 2, i1 false }
+; CHECK-LABEL: @usub_1(
+; CHECK: ret { i8, i1 } { i8 2, i1 false }
 }
 
 define {i8, i1} @usub_2() nounwind {
@@ -42,8 +49,30 @@ entry:
   %t = call {i8, i1} @llvm.usub.with.overflow.i8(i8 4, i8 6)
   ret {i8, i1} %t
 
-; CHECK: @usub_2
-; CHECK: ret %i8i1 { i8 -2, i1 true }
+; CHECK-LABEL: @usub_2(
+; CHECK: ret { i8, i1 } { i8 -2, i1 true }
+}
+
+;;-----------------------------
+;; umul
+;;-----------------------------
+
+define {i8, i1} @umul_1() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.umul.with.overflow.i8(i8 100, i8 3)
+  ret {i8, i1} %t
+
+; CHECK-LABEL: @umul_1(
+; CHECK: ret { i8, i1 } { i8 44, i1 true }
+}
+
+define {i8, i1} @umul_2() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.umul.with.overflow.i8(i8 100, i8 2)
+  ret {i8, i1} %t
+
+; CHECK-LABEL: @umul_2(
+; CHECK: ret { i8, i1 } { i8 -56, i1 false }
 }
 
 ;;-----------------------------
@@ -55,8 +84,8 @@ entry:
   %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 42, i8 2)
   ret {i8, i1} %t
 
-; CHECK: @sadd_1
-; CHECK: ret %i8i1 { i8 44, i1 false }
+; CHECK-LABEL: @sadd_1(
+; CHECK: ret { i8, i1 } { i8 44, i1 false }
 }
 
 define {i8, i1} @sadd_2() nounwind {
@@ -64,8 +93,8 @@ entry:
   %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 120, i8 10)
   ret {i8, i1} %t
 
-; CHECK: @sadd_2
-; CHECK: ret %i8i1 { i8 -126, i1 true }
+; CHECK-LABEL: @sadd_2(
+; CHECK: ret { i8, i1 } { i8 -126, i1 true }
 }
 
 define {i8, i1} @sadd_3() nounwind {
@@ -73,8 +102,8 @@ entry:
   %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 -120, i8 10)
   ret {i8, i1} %t
 
-; CHECK: @sadd_3
-; CHECK: ret %i8i1 { i8 -110, i1 false }
+; CHECK-LABEL: @sadd_3(
+; CHECK: ret { i8, i1 } { i8 -110, i1 false }
 }
 
 define {i8, i1} @sadd_4() nounwind {
@@ -82,8 +111,8 @@ entry:
   %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 -120, i8 -10)
   ret {i8, i1} %t
 
-; CHECK: @sadd_4
-; CHECK: ret %i8i1 { i8 126, i1 true }
+; CHECK-LABEL: @sadd_4(
+; CHECK: ret { i8, i1 } { i8 126, i1 true }
 }
 
 define {i8, i1} @sadd_5() nounwind {
@@ -91,8 +120,8 @@ entry:
   %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 2, i8 -10)
   ret {i8, i1} %t
 
-; CHECK: @sadd_5
-; CHECK: ret %i8i1 { i8 -8, i1 false }
+; CHECK-LABEL: @sadd_5(
+; CHECK: ret { i8, i1 } { i8 -8, i1 false }
 }
 
 
@@ -105,8 +134,8 @@ entry:
   %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 4, i8 2)
   ret {i8, i1} %t
 
-; CHECK: @ssub_1
-; CHECK: ret %i8i1 { i8 2, i1 false }
+; CHECK-LABEL: @ssub_1(
+; CHECK: ret { i8, i1 } { i8 2, i1 false }
 }
 
 define {i8, i1} @ssub_2() nounwind {
@@ -114,8 +143,8 @@ entry:
   %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 4, i8 6)
   ret {i8, i1} %t
 
-; CHECK: @ssub_2
-; CHECK: ret %i8i1 { i8 -2, i1 false }
+; CHECK-LABEL: @ssub_2(
+; CHECK: ret { i8, i1 } { i8 -2, i1 false }
 }
 
 define {i8, i1} @ssub_3() nounwind {
@@ -123,8 +152,8 @@ entry:
   %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 -10, i8 120)
   ret {i8, i1} %t
 
-; CHECK: @ssub_3
-; CHECK: ret %i8i1 { i8 126, i1 true }
+; CHECK-LABEL: @ssub_3(
+; CHECK: ret { i8, i1 } { i8 126, i1 true }
 }
 
 define {i8, i1} @ssub_3b() nounwind {
@@ -132,8 +161,8 @@ entry:
   %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 -10, i8 10)
   ret {i8, i1} %t
 
-; CHECK: @ssub_3b
-; CHECK: ret %i8i1 { i8 -20, i1 false }
+; CHECK-LABEL: @ssub_3b(
+; CHECK: ret { i8, i1 } { i8 -20, i1 false }
 }
 
 define {i8, i1} @ssub_4() nounwind {
@@ -141,8 +170,8 @@ entry:
   %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 120, i8 -10)
   ret {i8, i1} %t
 
-; CHECK: @ssub_4
-; CHECK: ret %i8i1 { i8 -126, i1 true }
+; CHECK-LABEL: @ssub_4(
+; CHECK: ret { i8, i1 } { i8 -126, i1 true }
 }
 
 define {i8, i1} @ssub_4b() nounwind {
@@ -150,8 +179,8 @@ entry:
   %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 20, i8 -10)
   ret {i8, i1} %t
 
-; CHECK: @ssub_4b
-; CHECK: ret %i8i1 { i8 30, i1 false }
+; CHECK-LABEL: @ssub_4b(
+; CHECK: ret { i8, i1 } { i8 30, i1 false }
 }
 
 define {i8, i1} @ssub_5() nounwind {
@@ -159,14 +188,20 @@ entry:
   %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 -20, i8 -10)
   ret {i8, i1} %t
 
-; CHECK: @ssub_5
-; CHECK: ret %i8i1 { i8 -10, i1 false }
+; CHECK-LABEL: @ssub_5(
+; CHECK: ret { i8, i1 } { i8 -10, i1 false }
 }
 
+;;-----------------------------
+;; smul
+;;-----------------------------
 
+; rdar://8501501
+define {i8, i1} @smul_1() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.smul.with.overflow.i8(i8 -20, i8 -10)
+  ret {i8, i1} %t
 
-declare {i8, i1} @llvm.uadd.with.overflow.i8(i8, i8)
-declare {i8, i1} @llvm.usub.with.overflow.i8(i8, i8)
-
-declare {i8, i1} @llvm.sadd.with.overflow.i8(i8, i8)
-declare {i8, i1} @llvm.ssub.with.overflow.i8(i8, i8)
+; CHECK-LABEL: @smul_1(
+; CHECK: ret { i8, i1 } { i8 -56, i1 true }
+}