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-rw-r--r--test/Transforms/ConstProp/overflow-ops.ll41
1 files changed, 33 insertions, 8 deletions
diff --git a/test/Transforms/ConstProp/overflow-ops.ll b/test/Transforms/ConstProp/overflow-ops.ll
index 5587e9b..d1cc2eb 100644
--- a/test/Transforms/ConstProp/overflow-ops.ll
+++ b/test/Transforms/ConstProp/overflow-ops.ll
@@ -2,6 +2,14 @@
%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
;;-----------------------------
@@ -47,6 +55,28 @@ entry:
}
;;-----------------------------
+;; 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: @umul_1
+; CHECK: ret %i8i1 { 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 %i8i1 { i8 -56, i1 false }
+}
+
+;;-----------------------------
;; sadd
;;-----------------------------
@@ -163,14 +193,9 @@ entry:
; CHECK: ret %i8i1 { i8 -10, i1 false }
}
-
-
-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)
-declare {i8, i1} @llvm.smul.with.overflow.i8(i8, i8)
+;;-----------------------------
+;; smul
+;;-----------------------------
; rdar://8501501
define {i8, i1} @smul_1() nounwind {