| Bill Schmidt | 3ae2680 | 2014-09-11 20:13:52 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mcpu=pwr8 | FileCheck %s |
| Bill Schmidt | be95fd5 | 2014-09-11 20:10:03 +0000 | [diff] [blame] | 2 | |
| Bill Schmidt | b73b370 | 2014-09-12 14:26:36 +0000 | [diff] [blame] | 3 | ; Generated from following C code: |
| 4 | ; |
| 5 | ; void foo (int result, char *addr) { |
| 6 | ; __asm__ __volatile__ ( |
| 7 | ; "ld%U1%X1 %0,%1\n" |
| 8 | ; "cmpw %0,%0\n" |
| 9 | ; "bne- 1f\n" |
| 10 | ; "1: isync\n" |
| 11 | ; : "=r" (result) |
| 12 | ; : "m"(*addr) : "memory", "cr0"); |
| 13 | ; } |
| 14 | |
| Bill Schmidt | be95fd5 | 2014-09-11 20:10:03 +0000 | [diff] [blame] | 15 | target datalayout = "e-m:e-i64:64-n32:64" |
| 16 | target triple = "powerpc64le-unknown-linux-gnu" |
| 17 | |
| 18 | ; Function Attrs: nounwind |
| 19 | ; Check that we accept 'U' and 'X' constraints. |
| 20 | define void @foo(i32 signext %result, i8* %addr) #0 { |
| 21 | entry: |
| 22 | %result.addr = alloca i32, align 4 |
| 23 | %addr.addr = alloca i8*, align 8 |
| 24 | store i32 %result, i32* %result.addr, align 4 |
| 25 | store i8* %addr, i8** %addr.addr, align 8 |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 26 | %0 = load i8*, i8** %addr.addr, align 8 |
| Bill Schmidt | be95fd5 | 2014-09-11 20:10:03 +0000 | [diff] [blame] | 27 | %1 = call i32 asm sideeffect "ld${1:U}${1:X} $0,$1\0Acmpw $0,$0\0Abne- 1f\0A1: isync\0A", "=r,*m,~{memory},~{cr0}"(i8* %0) #1, !srcloc !1 |
| 28 | store i32 %1, i32* %result.addr, align 4 |
| 29 | ret void |
| 30 | } |
| 31 | |
| 32 | ; CHECK-LABEL: @foo |
| Ulrich Weigand | 6b577e2 | 2015-01-13 19:43:45 +0000 | [diff] [blame] | 33 | ; CHECK: ld [[REG:[0-9]+]], 0(4) |
| Hal Finkel | 7c5cb06 | 2015-04-23 18:30:38 +0000 | [diff] [blame] | 34 | ; CHECK: cmpw [[REG]], [[REG]] |
| Ulrich Weigand | 6b577e2 | 2015-01-13 19:43:45 +0000 | [diff] [blame] | 35 | ; CHECK: bne- 0, .Ltmp[[TMP:[0-9]+]] |
| 36 | ; CHECK: .Ltmp[[TMP]]: |
| 37 | ; CHECK: isync |
| Bill Schmidt | be95fd5 | 2014-09-11 20:10:03 +0000 | [diff] [blame] | 38 | |
| 39 | attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| 40 | attributes #1 = { nounwind } |
| 41 | |
| 42 | !llvm.ident = !{!0} |
| 43 | |
| Duncan P. N. Exon Smith | be7ea19 | 2014-12-15 19:07:53 +0000 | [diff] [blame] | 44 | !0 = !{!"clang version 3.6.0 (trunk 217557)"} |
| 45 | !1 = !{i32 67, i32 91, i32 110, i32 126} |