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| author | Hans Wennborg <hans@hanshq.net> | 2018-01-17 13:01:33 +0000 |
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| committer | Hans Wennborg <hans@hanshq.net> | 2018-01-17 13:01:33 +0000 |
| commit | 5b475f791b19ff2a0e40d9115006acdda83ecb8b (patch) | |
| tree | 62561b2b77e625e5d280d229ea5f1a7cb214a799 /test/Transforms | |
| parent | 021dab288d3d014a55a68c78645f38799fac01c0 (diff) | |
Merging r322056:
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r322056 | skatkov | 2018-01-08 20:37:06 -0800 (Mon, 08 Jan 2018) | 13 lines
[CGP] Fix Complex addressing mode for offset
If the offset is differ in two addressing mode we can continue only if
ScaleReg is not set due to we will use it as merge of different offsets.
It should fix PR35799 and PR35805.
Reviewers: john.brawn, reames
Reviewed By: reames
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D41227
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_60@322645 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/CodeGenPrepare/X86/sink-addrmode-select.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/Transforms/CodeGenPrepare/X86/sink-addrmode-select.ll b/test/Transforms/CodeGenPrepare/X86/sink-addrmode-select.ll new file mode 100644 index 00000000000..b153a8b1e53 --- /dev/null +++ b/test/Transforms/CodeGenPrepare/X86/sink-addrmode-select.ll @@ -0,0 +1,19 @@ +; RUN: opt -S -codegenprepare -disable-complex-addr-modes=false -addr-sink-new-select=true %s | FileCheck %s --check-prefix=CHECK +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" +target triple = "x86_64-unknown-linux-gnu" + +; Select when both offset and scale reg are present. +define i64 @test1(i1 %c, i64* %b, i64 %scale) { +; CHECK-LABEL: @test1 +entry: +; CHECK-LABEL: entry: + %g = getelementptr inbounds i64, i64* %b, i64 %scale + %g1 = getelementptr inbounds i64, i64* %g, i64 8 + %g2 = getelementptr inbounds i64, i64* %g, i64 16 + %s = select i1 %c, i64* %g1, i64* %g2 +; CHECK-NOT: sunkaddr + %v = load i64 , i64* %s, align 8 + ret i64 %v +} + |