| Ranjeet Singh | 3d0af57 | 2017-03-07 11:17:53 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -O0 -mtriple=armv7-eabi -mcpu=cortex-a8 -mattr=+neon,+fp-armv8 | FileCheck %s |
| 2 | ; RUN: llc < %s -O3 -mtriple=armv7-eabi -mcpu=cortex-a8 -mattr=+neon,+fp-armv8 | FileCheck %s |
| 3 | |
| 4 | @a = common global double 0.000000e+00, align 8 |
| 5 | |
| 6 | ; Function Attrs: noinline nounwind uwtable |
| 7 | define void @strtod() { |
| 8 | entry: |
| 9 | ; CHECK: vmrs r{{[0-9]+}}, fpscr |
| 10 | %0 = call i32 @llvm.flt.rounds() |
| 11 | %tobool = icmp ne i32 %0, 0 |
| 12 | br i1 %tobool, label %if.then, label %if.end |
| 13 | |
| 14 | if.then: ; preds = %entry |
| 15 | store double 5.000000e-01, double* @a, align 8 |
| 16 | br label %if.end |
| 17 | |
| 18 | if.end: ; preds = %if.then, %entry |
| 19 | ret void |
| 20 | } |
| 21 | |
| 22 | ; Function Attrs: nounwind |
| 23 | define void @fn1(i32* nocapture %p) local_unnamed_addr { |
| 24 | entry: |
| 25 | ; CHECK: vmrs r{{[0-9]+}}, fpscr |
| 26 | %0 = tail call i32 @llvm.arm.get.fpscr() |
| 27 | store i32 %0, i32* %p, align 4 |
| 28 | ; CHECK: vmsr fpscr, r{{[0-9]+}} |
| 29 | tail call void @llvm.arm.set.fpscr(i32 1) |
| 30 | ; CHECK: vmrs r{{[0-9]+}}, fpscr |
| 31 | %1 = tail call i32 @llvm.arm.get.fpscr() |
| 32 | %arrayidx1 = getelementptr inbounds i32, i32* %p, i32 1 |
| 33 | store i32 %1, i32* %arrayidx1, align 4 |
| 34 | ret void |
| 35 | } |
| 36 | |
| 37 | ; Function Attrs: nounwind readonly |
| 38 | declare i32 @llvm.arm.get.fpscr() |
| 39 | |
| 40 | ; Function Attrs: nounwind writeonly |
| 41 | declare void @llvm.arm.set.fpscr(i32) |
| 42 | |
| 43 | ; Function Attrs: nounwind |
| 44 | declare i32 @llvm.flt.rounds() |