diff options
| author | Sanjoy Das <sanjoy@playingwithpointers.com> | 2016-08-05 19:23:29 +0000 |
|---|---|---|
| committer | Sanjoy Das <sanjoy@playingwithpointers.com> | 2016-08-05 19:23:29 +0000 |
| commit | 6fa08aafcce77c519b19c605c6cb2853ca2a35ea (patch) | |
| tree | 5d32e827fb711110209660a230fe71ef9d376bbe /llvm/test | |
| parent | 344e25f13b89ab2907c666a5c76d425434d31747 (diff) | |
| download | bcm5719-llvm-6fa08aafcce77c519b19c605c6cb2853ca2a35ea.tar.gz bcm5719-llvm-6fa08aafcce77c519b19c605c6cb2853ca2a35ea.zip | |
[ConstantFolding] Don't create illegal (non-integral) inttoptrs
Reviewers: majnemer, arsenm
Subscribers: mcrosier, llvm-commits
Differential Revision: https://reviews.llvm.org/D23182
llvm-svn: 277854
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/non-integral-pointers.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/non-integral-pointers.ll b/llvm/test/Transforms/InstCombine/non-integral-pointers.ll new file mode 100644 index 00000000000..d5e2569179b --- /dev/null +++ b/llvm/test/Transforms/InstCombine/non-integral-pointers.ll @@ -0,0 +1,20 @@ +; RUN: opt -instcombine -S < %s | FileCheck %s + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:4" +target triple = "x86_64-unknown-linux-gnu" + +define i8 addrspace(4)* @f_0() { +; CHECK-LABEL: @f_0( +; CHECK: ret i8 addrspace(4)* getelementptr (i8, i8 addrspace(4)* null, i64 50) + %result = getelementptr i8, i8 addrspace(4)* null, i64 50 + ret i8 addrspace(4)* %result +} + +define i8 addrspace(3)* @f_1() { +; inttoptr is fine here since addrspace(3) is integral. + +; CHECK-LABEL: @f_1( +; CHECK: ret i8 addrspace(3)* inttoptr (i64 50 to i8 addrspace(3)*) + %result = getelementptr i8, i8 addrspace(3)* null, i64 50 + ret i8 addrspace(3)* %result +} |
