xref: /llvm-project/llvm/test/Transforms/CodeGenPrepare/X86/sink-addrmode-select.ll (revision f1ec0d12bb0843f0deab83ef2b5cf1339cbc4f0b)
1; RUN: opt -S -passes='require<profile-summary>,function(codegenprepare)' -disable-complex-addr-modes=false -addr-sink-new-select=true  %s | FileCheck %s --check-prefix=CHECK
2target datalayout =
3"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"
4target triple = "x86_64-unknown-linux-gnu"
5
6; Select when both offset and scale reg are present.
7define i64 @test1(i1 %c, ptr %b, i64 %scale) {
8; CHECK-LABEL: @test1
9entry:
10; CHECK-LABEL: entry:
11  %g = getelementptr inbounds i64, ptr %b, i64 %scale
12  %g1 = getelementptr inbounds i64, ptr %g, i64 8
13  %g2 = getelementptr inbounds i64, ptr %g, i64 16
14  %s = select i1 %c, ptr %g1, ptr %g2
15; CHECK-NOT: sunkaddr
16  %v = load i64 , ptr %s, align 8
17  ret i64 %v
18}
19
20@gv1 = external dso_local global i8, align 16
21@gv2 = external dso_local global i8, align 16
22
23; Select when both GV and base reg are present.
24define i8 @test2(i1 %c, i64 %b) {
25; CHECK-LABEL: @test2
26entry:
27; CHECK-LABEL: entry:
28  %g1 = getelementptr inbounds i8, ptr @gv1, i64 %b
29  %g2 = getelementptr inbounds i8, ptr @gv2, i64 %b
30  %s = select i1 %c, ptr %g1, ptr %g2
31; CHECK-NOT: sunkaddr
32  %v = load i8 , ptr %s, align 8
33  ret i8 %v
34}
35