xref: /llvm-project/llvm/test/CodeGen/ARM/t2abs-killflags.ll (revision 5111881cfcd8e5e61aa637b92acd536dd7bc0325)
1*5111881cSPete Cooper; RUN: llc %s -o - -verify-machineinstrs | FileCheck %s
2*5111881cSPete Cooper
3*5111881cSPete Coopertarget datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32"
4*5111881cSPete Coopertarget triple = "thumbv7s-unknown-unknown"
5*5111881cSPete Cooper
6*5111881cSPete Cooper; Test that we don't crash the machine verifier when expanding t2ABS.
7*5111881cSPete Cooper; It was applying the kill flag to its source, even if the original t2ABS didn't
8*5111881cSPete Cooper; kill the operand prior to pseudo expansion.
9*5111881cSPete Cooper
10*5111881cSPete Cooper; Function Attrs: noreturn
11*5111881cSPete Cooperdeclare void @foo(i32, i32) #0
12*5111881cSPete Cooper
13*5111881cSPete Cooper; CHECK-LABEL: @test
14*5111881cSPete Cooper; CHECK: rsbmi
15*5111881cSPete Cooperdefine void @test(i32 %arg) {
16*5111881cSPete Cooper  %cmp58 = icmp slt i32 %arg, 0
17*5111881cSPete Cooper  %sub62 = sub nsw i32 0, %arg
18*5111881cSPete Cooper  %l.1 = select i1 %cmp58, i32 %sub62, i32 %arg
19*5111881cSPete Cooper  call void @foo(i32 %l.1, i32 %arg) #0
20*5111881cSPete Cooper  unreachable
21*5111881cSPete Cooper}
22*5111881cSPete Cooper
23*5111881cSPete Cooperattributes #0 = { noreturn }
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