1 files changed, 60 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/ptr-int-cast.ll b/llvm/test/Transforms/InstCombine/ptr-int-cast.ll
new file mode 100644
index 00000000000..826c0048422
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/ptr-int-cast.ll
@@ -0,0 +1,60 @@
+; RUN: opt < %s -instcombine -S | FileCheck %s
+target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
+
+define i1 @test1(i32 *%x) nounwind {
+entry:
+; CHECK: test1
+; CHECK: ptrtoint i32* %x to i64
+	%0 = ptrtoint i32* %x to i1
+	ret i1 %0
+}
+
+define i32* @test2(i128 %x) nounwind {
+entry:
+; CHECK: test2
+; CHECK: inttoptr i64 %0 to i32*
+	%0 = inttoptr i128 %x to i32*
+	ret i32* %0
+}
+
+; PR3574
+; CHECK: f0
+; CHECK: %1 = zext i32 %a0 to i64
+; CHECK: ret i64 %1
+define i64 @f0(i32 %a0) nounwind {
+       %t0 = inttoptr i32 %a0 to i8*
+       %t1 = ptrtoint i8* %t0 to i64
+       ret i64 %t1
+}
+
+define <4 x i32> @test4(<4 x i8*> %arg) nounwind {
+; CHECK-LABEL: @test4(
+; CHECK: ptrtoint <4 x i8*> %arg to <4 x i64>
+; CHECK: trunc <4 x i64> %1 to <4 x i32>
+  %p1 = ptrtoint <4 x i8*> %arg to <4 x i32>
+  ret <4 x i32> %p1
+}
+
+define <4 x i128> @test5(<4 x i8*> %arg) nounwind {
+; CHECK-LABEL: @test5(
+; CHECK: ptrtoint <4 x i8*> %arg to <4 x i64>
+; CHECK: zext <4 x i64> %1 to <4 x i128>
+  %p1 = ptrtoint <4 x i8*> %arg to <4 x i128>
+  ret <4 x i128> %p1
+}
+
+define <4 x i8*> @test6(<4 x i32> %arg) nounwind {
+; CHECK-LABEL: @test6(
+; CHECK: zext <4 x i32> %arg to <4 x i64>
+; CHECK: inttoptr <4 x i64> %1 to <4 x i8*>
+  %p1 = inttoptr <4 x i32> %arg to <4 x i8*>
+  ret <4 x i8*> %p1
+}
+
+define <4 x i8*> @test7(<4 x i128> %arg) nounwind {
+; CHECK-LABEL: @test7(
+; CHECK: trunc <4 x i128> %arg to <4 x i64>
+; CHECK: inttoptr <4 x i64> %1 to <4 x i8*>
+  %p1 = inttoptr <4 x i128> %arg to <4 x i8*>
+  ret <4 x i8*> %p1
+}