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      1 ; RUN: llc -mtriple=arm64-apple-ios   -mcpu=cyclone   < %s | FileCheck %s -check-prefixes=ALL,CYCLONE
      2 ; RUN: llc -mtriple=arm64-apple-ios   -mcpu=cyclone -mattr=+fullfp16 < %s | FileCheck %s -check-prefixes=CYCLONE-FULLFP16
      3 ; RUN: llc -mtriple=aarch64-gnu-linux -mcpu=exynos-m1 < %s | FileCheck %s -check-prefixes=ALL,OTHERS
      4 ; RUN: llc -mtriple=aarch64-gnu-linux -mcpu=exynos-m3 < %s | FileCheck %s -check-prefixes=ALL,OTHERS
      5 ; RUN: llc -mtriple=aarch64-gnu-linux -mcpu=kryo      < %s | FileCheck %s -check-prefixes=ALL,OTHERS
      6 ; RUN: llc -mtriple=aarch64-gnu-linux -mcpu=falkor    < %s | FileCheck %s -check-prefixes=ALL,OTHERS
      7 
      8 declare void @bar(half, float, double, <2 x double>)
      9 declare void @bari(i32, i32)
     10 declare void @barl(i64, i64)
     11 declare void @barf(float, float)
     12 
     13 define void @t1() nounwind ssp {
     14 entry:
     15 ; ALL-LABEL: t1:
     16 ; ALL-NOT: fmov
     17 ; ALL:     ldr h0,{{.*}}
     18 ; CYCLONE: fmov s1, wzr
     19 ; CYCLONE: fmov d2, xzr
     20 ; CYCLONE: movi.16b v3, #0
     21 ; CYCLONE-FULLFP16: fmov h0, wzr
     22 ; CYCLONE-FULLFP16: fmov s1, wzr
     23 ; CYCLONE-FULLFP16: fmov d2, xzr
     24 ; CYCLONE-FULLFP16: movi.16b v3, #0
     25 ; OTHERS: movi v{{[0-3]+}}.2d, #0000000000000000
     26 ; OTHERS: movi v{{[0-3]+}}.2d, #0000000000000000
     27 ; OTHERS: movi v{{[0-3]+}}.2d, #0000000000000000
     28   tail call void @bar(half 0.000000e+00, float 0.000000e+00, double 0.000000e+00, <2 x double> <double 0.000000e+00, double 0.000000e+00>) nounwind
     29   ret void
     30 }
     31 
     32 define void @t2() nounwind ssp {
     33 entry:
     34 ; ALL-LABEL: t2:
     35 ; ALL-NOT: mov w0, wzr
     36 ; ALL: mov w{{[0-3]+}}, #0
     37 ; ALL: mov w{{[0-3]+}}, #0
     38   tail call void @bari(i32 0, i32 0) nounwind
     39   ret void
     40 }
     41 
     42 define void @t3() nounwind ssp {
     43 entry:
     44 ; ALL-LABEL: t3:
     45 ; ALL-NOT: mov x0, xzr
     46 ; ALL: mov x{{[0-3]+}}, #0
     47 ; ALL: mov x{{[0-3]+}}, #0
     48   tail call void @barl(i64 0, i64 0) nounwind
     49   ret void
     50 }
     51 
     52 define void @t4() nounwind ssp {
     53 ; ALL-LABEL: t4:
     54 ; ALL-NOT: fmov
     55 ; CYCLONE: fmov s{{[0-3]+}}, wzr
     56 ; CYCLONE: fmov s{{[0-3]+}}, wzr
     57 ; CYCLONE-FULLFP16: fmov s{{[0-3]+}}, wzr
     58 ; CYCLONE-FULLFP16: fmov s{{[0-3]+}}, wzr
     59 ; OTHERS: movi v{{[0-3]+}}.2d, #0000000000000000
     60 ; OTHERS: movi v{{[0-3]+}}.2d, #0000000000000000
     61   tail call void @barf(float 0.000000e+00, float 0.000000e+00) nounwind
     62   ret void
     63 }
     64 
     65 ; We used to produce spills+reloads for a Q register with zero cycle zeroing
     66 ; enabled.
     67 ; ALL-LABEL: foo:
     68 ; ALL-NOT: str q{{[0-9]+}}
     69 ; ALL-NOT: ldr q{{[0-9]+}}
     70 define double @foo(i32 %n) {
     71 entry:
     72   br label %for.body
     73 
     74 for.body:
     75   %phi0 = phi double [ 1.0, %entry ], [ %v0, %for.body ]
     76   %i.076 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
     77   %conv21 = sitofp i32 %i.076 to double
     78   %call = tail call fast double @sin(double %conv21)
     79   %cmp.i = fcmp fast olt double %phi0, %call
     80   %v0 = select i1 %cmp.i, double %call, double %phi0
     81   %inc = add nuw nsw i32 %i.076, 1
     82   %cmp = icmp slt i32 %inc, %n
     83   br i1 %cmp, label %for.body, label %for.end
     84 
     85 for.end:
     86   ret double %v0
     87 }
     88 
     89 define <2 x i64> @t6() {
     90 ; ALL-LABEL: t6:
     91 ; CYCLONE: movi.16b v0, #0
     92 ; OTHERS: movi v0.2d, #0000000000000000
     93  ret <2 x i64> zeroinitializer
     94 }
     95 
     96 
     97 declare double @sin(double)
     98