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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=aarch64 < %s | FileCheck %s
; Make sure we don't speculatively execute inline asm statements.
define dso_local i32 @main(i32 %argc, ptr %argv) {
; CHECK-LABEL: main:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: cmp w0, #3
; CHECK-NEXT: b.ne .LBB0_2
; CHECK-NEXT: // %bb.1: // %if.then
; CHECK-NEXT: //APP
; CHECK-NEXT: mrs x0, SPSR_EL2
; CHECK-NEXT: //NO_APP
; CHECK-NEXT: // kill: def $w0 killed $w0 killed $x0
; CHECK-NEXT: ret
; CHECK-NEXT: .LBB0_2: // %if.else
; CHECK-NEXT: //APP
; CHECK-NEXT: mrs x0, SPSR_EL1
; CHECK-NEXT: //NO_APP
; CHECK-NEXT: // kill: def $w0 killed $w0 killed $x0
; CHECK-NEXT: ret
entry:
%cmp = icmp eq i32 %argc, 3
br i1 %cmp, label %if.then, label %if.else
if.then:
%0 = tail call i64 asm "mrs $0, SPSR_EL2", "=r"()
br label %if.end
if.else:
%1 = tail call i64 asm "mrs $0, SPSR_EL1", "=r"()
br label %if.end
if.end:
%y.0.in = phi i64 [ %0, %if.then ], [ %1, %if.else ]
%y.0 = trunc i64 %y.0.in to i32
ret i32 %y.0
}
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