llvm-project/llvm/test/CodeGen/ARM/t2abs-killflags.ll

24 lines
704 B
LLVM

; RUN: llc %s -o - -verify-machineinstrs | FileCheck %s
target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32"
target triple = "thumbv7s-unknown-unknown"
; Test that we don't crash the machine verifier when expanding t2ABS.
; It was applying the kill flag to its source, even if the original t2ABS didn't
; kill the operand prior to pseudo expansion.
; Function Attrs: noreturn
declare void @foo(i32, i32) #0
; CHECK-LABEL: @test
; CHECK: rsbmi
define void @test(i32 %arg) {
%cmp58 = icmp slt i32 %arg, 0
%sub62 = sub nsw i32 0, %arg
%l.1 = select i1 %cmp58, i32 %sub62, i32 %arg
call void @foo(i32 %l.1, i32 %arg) #0
unreachable
}
attributes #0 = { noreturn }