From 5b475f791b19ff2a0e40d9115006acdda83ecb8b Mon Sep 17 00:00:00 2001 From: Hans Wennborg Date: Wed, 17 Jan 2018 13:01:33 +0000 Subject: Merging r322056: ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_60@322645 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../CodeGenPrepare/X86/sink-addrmode-select.ll | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 test/Transforms/CodeGenPrepare/X86/sink-addrmode-select.ll (limited to 'test') 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 +} + -- cgit v1.2.3