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| author | Tom Stellard <thomas.stellard@amd.com> | 2014-02-14 21:10:34 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2014-02-14 21:10:34 +0000 |
| commit | 5f8059479783315124eca7c406804ae5e7a713fe (patch) | |
| tree | c3ce6e109130169c6aebeddb7ebb1fd859c4714b | |
| parent | 3b0acd4ef48b3aea4b6688cad9a980fdc609b58f (diff) | |
| download | llvm-5f8059479783315124eca7c406804ae5e7a713fe.tar.gz llvm-5f8059479783315124eca7c406804ae5e7a713fe.tar.bz2 llvm-5f8059479783315124eca7c406804ae5e7a713fe.tar.xz | |
TargetLowering: n * r where n > 2 should be an illegal addressing mode
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201433 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/TargetLoweringBase.cpp | 2 | ||||
| -rw-r--r-- | test/CodeGen/R600/codegen-prepare-addrmode-sext.ll | 18 |
2 files changed, 20 insertions, 0 deletions
diff --git a/lib/CodeGen/TargetLoweringBase.cpp b/lib/CodeGen/TargetLoweringBase.cpp index beaa9b9f74..00b551b66f 100644 --- a/lib/CodeGen/TargetLoweringBase.cpp +++ b/lib/CodeGen/TargetLoweringBase.cpp @@ -1420,6 +1420,8 @@ bool TargetLoweringBase::isLegalAddressingMode(const AddrMode &AM, return false; // Allow 2*r as r+r. break; + default: // Don't allow n * r + return false; } return true; diff --git a/test/CodeGen/R600/codegen-prepare-addrmode-sext.ll b/test/CodeGen/R600/codegen-prepare-addrmode-sext.ll new file mode 100644 index 0000000000..226f8e5373 --- /dev/null +++ b/test/CodeGen/R600/codegen-prepare-addrmode-sext.ll @@ -0,0 +1,18 @@ +; RUN: opt -codegenprepare -S -o - %s | FileCheck %s + +target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:32:32-p5:64:64-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64" +target triple = "r600--" + +; XFAIL: * + +; CHECK-LABEL: @test +; CHECK: mul +; CHECK-NEXT: sext +define void @test(i8 addrspace(1)* nocapture readonly %in, i32 %a, i8 %b) { +entry: + %0 = mul nsw i32 %a, 3 + %1 = sext i32 %0 to i64 + %2 = getelementptr i8 addrspace(1)* %in, i64 %1 + store i8 %b, i8 addrspace(1)* %2 + ret void +} |