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view llvm/test/Transforms/CodeGenPrepare/X86/sink-addrmode-select.ll @ 252:1f2b6ac9f198 llvm-original
LLVM16-1
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 18 Aug 2023 09:04:13 +0900 |
parents | 79ff65ed7e25 |
children |
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; 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, ptr %b, i64 %scale) { ; CHECK-LABEL: @test1 entry: ; CHECK-LABEL: entry: %g = getelementptr inbounds i64, ptr %b, i64 %scale %g1 = getelementptr inbounds i64, ptr %g, i64 8 %g2 = getelementptr inbounds i64, ptr %g, i64 16 %s = select i1 %c, ptr %g1, ptr %g2 ; CHECK-NOT: sunkaddr %v = load i64 , ptr %s, align 8 ret i64 %v } @gv1 = external dso_local global i8, align 16 @gv2 = external dso_local global i8, align 16 ; Select when both GV and base reg are present. define i8 @test2(i1 %c, i64 %b) { ; CHECK-LABEL: @test2 entry: ; CHECK-LABEL: entry: %g1 = getelementptr inbounds i8, ptr @gv1, i64 %b %g2 = getelementptr inbounds i8, ptr @gv2, i64 %b %s = select i1 %c, ptr %g1, ptr %g2 ; CHECK-NOT: sunkaddr %v = load i8 , ptr %s, align 8 ret i8 %v }