1 files changed, 71 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/sink-zext.ll b/test/Transforms/InstCombine/sink-zext.ll
new file mode 100644
index 000000000000..7764ca76cc9a
--- /dev/null
+++ b/test/Transforms/InstCombine/sink-zext.ll
@@ -0,0 +1,71 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+declare i32 @callee()
+
+define i64 @test1(i32 %V) {
+; CHECK-LABEL: @test1(
+; CHECK-NEXT:    [[CALL1:%.*]] = call i32 @callee(), !range !0
+; CHECK-NEXT:    [[CALL2:%.*]] = call i32 @callee(), !range !0
+; CHECK-NEXT:    [[ADDCONV:%.*]] = add nuw nsw i32 [[CALL1]], [[CALL2]]
+; CHECK-NEXT:    [[ADD:%.*]] = zext i32 [[ADD:%.*]]conv to i64
+; CHECK-NEXT:    ret i64 [[ADD]]
+;
+  %call1 = call i32 @callee(), !range !0
+  %call2 = call i32 @callee(), !range !0
+  %zext1 = sext i32 %call1 to i64
+  %zext2 = sext i32 %call2 to i64
+  %add = add i64 %zext1, %zext2
+  ret i64 %add
+}
+
+define i64 @test2(i32 %V) {
+; CHECK-LABEL: @test2(
+; CHECK-NEXT:    [[CALL1:%.*]] = call i32 @callee(), !range !0
+; CHECK-NEXT:    [[CALL2:%.*]] = call i32 @callee(), !range !0
+; CHECK-NEXT:    [[ADD:%.*]] = add nuw nsw i32 [[CALL1]], [[CALL2]]
+; CHECK-NEXT:    [[ZEXT1:%.*]] = zext i32 [[ADD]] to i64
+; CHECK-NEXT:    ret i64 [[ZEXT1]]
+;
+  %call1 = call i32 @callee(), !range !0
+  %call2 = call i32 @callee(), !range !0
+  %add = add i32 %call1, %call2
+  %zext = sext i32 %add to i64
+  ret i64 %zext
+}
+
+define i64 @test3(i32 %V) {
+; CHECK-LABEL: @test3(
+; CHECK-NEXT:    [[CALL1:%.*]] = call i32 @callee(), !range !0
+; CHECK-NEXT:    [[CALL2:%.*]] = call i32 @callee(), !range !0
+; CHECK-NEXT:    [[MULCONV:%.*]] = mul nuw nsw i32 [[CALL1]], [[CALL2]]
+; CHECK-NEXT:    [[ADD:%.*]] = zext i32 [[MULCONV]] to i64
+; CHECK-NEXT:    ret i64 [[ADD]]
+;
+  %call1 = call i32 @callee(), !range !0
+  %call2 = call i32 @callee(), !range !0
+  %zext1 = sext i32 %call1 to i64
+  %zext2 = sext i32 %call2 to i64
+  %add = mul i64 %zext1, %zext2
+  ret i64 %add
+}
+
+define i64 @test4(i32 %V) {
+; CHECK-LABEL: @test4(
+; CHECK-NEXT:    [[CALL1:%.*]] = call i32 @callee(), !range !0
+; CHECK-NEXT:    [[CALL2:%.*]] = call i32 @callee(), !range !0
+; CHECK-NEXT:    [[ADD:%.*]] = mul nuw nsw i32 [[CALL1]], [[CALL2]]
+; CHECK-NEXT:    [[ZEXT1:%.*]] = zext i32 [[ADD]] to i64
+; CHECK-NEXT:    ret i64 [[ZEXT1]]
+;
+  %call1 = call i32 @callee(), !range !0
+  %call2 = call i32 @callee(), !range !0
+  %add = mul i32 %call1, %call2
+  %zext = sext i32 %add to i64
+  ret i64 %zext
+}
+
+!0 = !{ i32 0, i32 2000 }