mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 11:13:28 +01:00
ff7fade869
This is the last remaining use of ConstantProp, migrate it to InstSimplify in the goal of removing ConstantProp. Add -hexagon-instsimplify option to enable skipping of instsimplify in tests that can't handle the extra optimization. Differential Revision: https://reviews.llvm.org/D85047
41 lines
1.4 KiB
LLVM
41 lines
1.4 KiB
LLVM
; RUN: llc -march=hexagon -hexagon-initial-cfg-cleanup=0 -hexagon-instsimplify=0 < %s | FileCheck %s
|
|
|
|
; Check for successful compilation.
|
|
; CHECK: r{{[0-9]+}} = insert(r{{[0-9]+}},#1,#31)
|
|
|
|
; This cannot be a .mir test, because the failure depends on ordering of
|
|
; virtual registers, and the .mir loader renumbers them in a way that hides
|
|
; the problem.
|
|
|
|
target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"
|
|
target triple = "hexagon"
|
|
|
|
; Function Attrs: nounwind
|
|
define void @f0() #0 align 2 {
|
|
b0:
|
|
br label %b1
|
|
|
|
b1: ; preds = %b3, %b0
|
|
%v0 = phi i64 [ 0, %b0 ], [ %v6, %b3 ]
|
|
br i1 undef, label %b2, label %b3
|
|
|
|
b2: ; preds = %b1
|
|
br label %b3
|
|
|
|
b3: ; preds = %b2, %b1
|
|
%v1 = phi i64 [ undef, %b2 ], [ %v0, %b1 ]
|
|
%v2 = and i64 %v1, 1
|
|
%v3 = trunc i64 %v2 to i32
|
|
%v4 = tail call i32 @llvm.hexagon.C2.mux(i32 %v3, i32 undef, i32 undef)
|
|
%v5 = trunc i32 %v4 to i8
|
|
store i8 %v5, i8* undef, align 1
|
|
%v6 = lshr i64 %v1, 1
|
|
br label %b1
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare i32 @llvm.hexagon.C2.mux(i32, i32, i32) #1
|
|
|
|
attributes #0 = { nounwind "target-cpu"="hexagonv60" }
|
|
attributes #1 = { nounwind readnone }
|