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| author | Serguei Katkov <serguei.katkov@azul.com> | 2018-01-09 04:37:06 +0000 |
|---|---|---|
| committer | Serguei Katkov <serguei.katkov@azul.com> | 2018-01-09 04:37:06 +0000 |
| commit | 4d1dd6b53abd47be71bd3001f2937d9b8ad11ecb (patch) | |
| tree | 4bdbb69b8424d661b81bcef1caf37c3bbad10a42 /llvm/test/Transforms | |
| parent | 33a17762bb0977d9c919505a6d3f3215f132d113 (diff) | |
| download | bcm5719-llvm-4d1dd6b53abd47be71bd3001f2937d9b8ad11ecb.tar.gz bcm5719-llvm-4d1dd6b53abd47be71bd3001f2937d9b8ad11ecb.zip | |
[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
llvm-svn: 322056
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/CodeGenPrepare/X86/sink-addrmode-select.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/test/Transforms/CodeGenPrepare/X86/sink-addrmode-select.ll b/llvm/test/Transforms/CodeGenPrepare/X86/sink-addrmode-select.ll new file mode 100644 index 00000000000..b153a8b1e53 --- /dev/null +++ b/llvm/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 +} + |
