Fix a FIXME about the format and add a test.

[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 52d59217b495c507fa577e811515bf9218a526cd..849bf9ef75b226c737e4388ea3c85b1665a10a54 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
@@ -12,7 +19,7 @@ entry:
   ret {i8, i1} %t
 
 ; CHECK: @uadd_1
-; CHECK: ret %i8i1 { i8 -114, i1 false }
+; CHECK: ret { i8, i1 } { i8 -114, i1 false }
 }
 
 define {i8, i1} @uadd_2() nounwind {
@@ -21,10 +28,9 @@ entry:
   ret {i8, i1} %t
 
 ; CHECK: @uadd_2
-; CHECK: ret %i8i1 { i8 6, i1 true }
+; CHECK: ret { i8, i1 } { i8 6, i1 true }
 }
 
-
 ;;-----------------------------
 ;; usub
 ;;-----------------------------
@@ -35,7 +41,7 @@ entry:
   ret {i8, i1} %t
 
 ; CHECK: @usub_1
-; CHECK: ret %i8i1 { i8 2, i1 false }
+; CHECK: ret { i8, i1 } { i8 2, i1 false }
 }
 
 define {i8, i1} @usub_2() nounwind {
@@ -44,10 +50,158 @@ entry:
   ret {i8, i1} %t
 
 ; CHECK: @usub_2
-; CHECK: ret %i8i1 { i8 -2, i1 true }
+; 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
 
-declare {i8, i1} @llvm.uadd.with.overflow.i8(i8, i8)
-declare {i8, i1} @llvm.usub.with.overflow.i8(i8, i8)
+; CHECK: @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: @umul_2
+; CHECK: ret { i8, i1 } { i8 -56, i1 false }
+}
+
+;;-----------------------------
+;; sadd
+;;-----------------------------
+
+define {i8, i1} @sadd_1() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 42, i8 2)
+  ret {i8, i1} %t
+
+; CHECK: @sadd_1
+; CHECK: ret { i8, i1 } { i8 44, i1 false }
+}
+
+define {i8, i1} @sadd_2() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 120, i8 10)
+  ret {i8, i1} %t
+
+; CHECK: @sadd_2
+; CHECK: ret { i8, i1 } { i8 -126, i1 true }
+}
+
+define {i8, i1} @sadd_3() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 -120, i8 10)
+  ret {i8, i1} %t
+
+; CHECK: @sadd_3
+; CHECK: ret { i8, i1 } { i8 -110, i1 false }
+}
+
+define {i8, i1} @sadd_4() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 -120, i8 -10)
+  ret {i8, i1} %t
+
+; CHECK: @sadd_4
+; CHECK: ret { i8, i1 } { i8 126, i1 true }
+}
+
+define {i8, i1} @sadd_5() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 2, i8 -10)
+  ret {i8, i1} %t
+
+; CHECK: @sadd_5
+; CHECK: ret { i8, i1 } { i8 -8, i1 false }
+}
+
+
+;;-----------------------------
+;; ssub
+;;-----------------------------
+
+define {i8, i1} @ssub_1() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 4, i8 2)
+  ret {i8, i1} %t
+
+; CHECK: @ssub_1
+; CHECK: ret { i8, i1 } { i8 2, i1 false }
+}
+
+define {i8, i1} @ssub_2() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 4, i8 6)
+  ret {i8, i1} %t
+
+; CHECK: @ssub_2
+; CHECK: ret { i8, i1 } { i8 -2, i1 false }
+}
+
+define {i8, i1} @ssub_3() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 -10, i8 120)
+  ret {i8, i1} %t
+
+; CHECK: @ssub_3
+; CHECK: ret { i8, i1 } { i8 126, i1 true }
+}
+
+define {i8, i1} @ssub_3b() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 -10, i8 10)
+  ret {i8, i1} %t
+
+; CHECK: @ssub_3b
+; CHECK: ret { i8, i1 } { i8 -20, i1 false }
+}
+
+define {i8, i1} @ssub_4() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 120, i8 -10)
+  ret {i8, i1} %t
+
+; CHECK: @ssub_4
+; CHECK: ret { i8, i1 } { i8 -126, i1 true }
+}
+
+define {i8, i1} @ssub_4b() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 20, i8 -10)
+  ret {i8, i1} %t
+
+; CHECK: @ssub_4b
+; CHECK: ret { i8, i1 } { i8 30, i1 false }
+}
+
+define {i8, i1} @ssub_5() nounwind {
+entry:
+  %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 -20, i8 -10)
+  ret {i8, i1} %t
+
+; CHECK: @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
+
+; CHECK: @smul_1
+; CHECK: ret { i8, i1 } { i8 -56, i1 true }
+}