fix infinite loop in instcombine with more than 4GB memcpy

[oota-llvm.git] / test / Transforms / InstCombine / cast-set.ll

diff --git a/test/Transforms/InstCombine/cast-set.ll b/test/Transforms/InstCombine/cast-set.ll
index 8db7dc3a39af84af93b8c17694fe4073a4e7e617..893440424c4c9a633385a85207e3b0183794616a 100644 (file)
--- a/test/Transforms/InstCombine/cast-set.ll
+++ b/test/Transforms/InstCombine/cast-set.ll
@@ -1,13 +1,17 @@
 ; This tests for various complex cast elimination cases instcombine should
 ; handle.
 
-; RUN: opt %s -instcombine | llvm-dis | notcast
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+
+; RUN: opt < %s -instcombine -S | FileCheck %s
 
 define i1 @test1(i32 %X) {
         %A = bitcast i32 %X to i32              ; <i32> [#uses=1]
         ; Convert to setne int %X, 12
         %c = icmp ne i32 %A, 12         ; <i1> [#uses=1]
         ret i1 %c
+; CHECK: %c = icmp ne i32 %X, 12
+; CHECK: ret i1 %c
 }
 
 define i1 @test2(i32 %X, i32 %Y) {
@@ -16,6 +20,8 @@ define i1 @test2(i32 %X, i32 %Y) {
         ; Convert to setne int %X, %Y
         %c = icmp ne i32 %A, %B         ; <i1> [#uses=1]
         ret i1 %c
+; CHECK: %c = icmp ne i32 %X, %Y
+; CHECK: ret i1 %c
 }
 
 define i32 @test4(i32 %A) {
@@ -23,6 +29,8 @@ define i32 @test4(i32 %A) {
         %C = shl i32 %B, 2              ; <i32> [#uses=1]
         %D = bitcast i32 %C to i32              ; <i32> [#uses=1]
         ret i32 %D
+; CHECK: %C = shl i32 %A, 2
+; CHECK: ret i32 %C
 }
 
 define i16 @test5(i16 %A) {
@@ -30,22 +38,28 @@ define i16 @test5(i16 %A) {
         %C = and i32 %B, 15             ; <i32> [#uses=1]
         %D = trunc i32 %C to i16                ; <i16> [#uses=1]
         ret i16 %D
+; CHECK: %C = and i16 %A, 15
+; CHECK: ret i16 %C
 }
 
 define i1 @test6(i1 %A) {
         %B = zext i1 %A to i32          ; <i32> [#uses=1]
         %C = icmp ne i32 %B, 0          ; <i1> [#uses=1]
         ret i1 %C
+; CHECK: ret i1 %A
 }
 
 define i1 @test6a(i1 %A) {
         %B = zext i1 %A to i32          ; <i32> [#uses=1]
         %C = icmp ne i32 %B, -1         ; <i1> [#uses=1]
         ret i1 %C
+; CHECK: ret i1 true
 }
 
 define i1 @test7(i8* %A) {
         %B = bitcast i8* %A to i32*             ; <i32*> [#uses=1]
         %C = icmp eq i32* %B, null              ; <i1> [#uses=1]
         ret i1 %C
+; CHECK: %C = icmp eq i8* %A, null
+; CHECK: ret i1 %C
 }