1 ; RUN: llc -verify-machineinstrs < %s -mcpu=pwr8 | FileCheck %s 2 3 target datalayout = "e-m:e-i64:64-n32:64" 4 target triple = "powerpc64le-unknown-linux-gnu" 5 6 ; Function Attrs: nounwind 7 ; Check that we accept 'U' and 'X' constraints. 8 ; Generated from following C code: 9 ; 10 ; void foo (int result, char *addr) { 11 ; __asm__ __volatile__ ( 12 ; "ld%U1%X1 %0,%1\n" 13 ; "cmpw %0,%0\n" 14 ; "bne- 1f\n" 15 ; "1: isync\n" 16 ; : "=r" (result) 17 ; : "m"(*addr) : "memory", "cr0"); 18 ; } 19 20 define void @foo(i32 signext %result, i8* %addr) #0 { 21 22 ; CHECK-LABEL: @foo 23 ; CHECK: ld [[REG:[0-9]+]], 0(4) 24 ; CHECK: cmpw [[REG]], [[REG]] 25 ; CHECK: bne- 0, .Ltmp[[TMP:[0-9]+]] 26 ; CHECK: .Ltmp[[TMP]]: 27 ; CHECK: isync 28 29 entry: 30 %result.addr = alloca i32, align 4 31 %addr.addr = alloca i8*, align 8 32 store i32 %result, i32* %result.addr, align 4 33 store i8* %addr, i8** %addr.addr, align 8 34 %0 = load i8*, i8** %addr.addr, align 8 35 %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 !0 36 store i32 %1, i32* %result.addr, align 4 37 ret void 38 } 39 40 ; Function Attrs: nounwind 41 ; Check that we accept the 'd' constraint. 42 ; Generated from the following C code: 43 ; int foo(double x) { 44 ; int64_t result; 45 ; __asm__ __volatile__("fctid %0, %1" 46 ; : "=d"(result) 47 ; : "d"(x) 48 ; : /* No clobbers */); 49 ; return result; 50 ; } 51 define signext i32 @bar(double %x) #0 { 52 53 ; CHECK-LABEL: @bar 54 ; CHECK: fctid 0, 1 55 entry: 56 %x.addr = alloca double, align 8 57 %result = alloca i64, align 8 58 store double %x, double* %x.addr, align 8 59 %0 = load double, double* %x.addr, align 8 60 %1 = call i64 asm sideeffect "fctid $0, $1", "=d,d"(double %0) #1, !srcloc !1 61 store i64 %1, i64* %result, align 8 62 %2 = load i64, i64* %result, align 8 63 %conv = trunc i64 %2 to i32 64 ret i32 %conv 65 } 66 67 68 attributes #0 = { nounwind "disable-tail-calls"="false" "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" "target-cpu"="ppc64le" "target-features"="+altivec,+bpermd,+crypto,+direct-move,+extdiv,+power8-vector,+vsx,-qpx" "unsafe-fp-math"="false" "use-soft-float"="false" } 69 70 attributes #1 = { nounwind } 71 72 !0 = !{i32 67, i32 91, i32 110, i32 126} 73 !1 = !{i32 84} 74
