1; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-fpcvt < %s | FileCheck %s
2; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-fpcvt -ppc-gen-isel=false < %s | FileCheck %s --check-prefix=CHECK-NO-ISEL
3target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
4target triple = "powerpc64-unknown-linux-gnu"
5
6define float @test(i64 %x) nounwind readnone {
7entry:
8  %conv = sitofp i64 %x to float
9  ret float %conv
10}
11
12; Verify that we get the code sequence needed to avoid double-rounding.
13; Note that only parts of the sequence are checked for here, to allow
14; for minor code generation differences.
15
16;CHECK-LABEL: test
17;CHECK-NO-ISEL-LABEL: test
18; CHECK: sradi [[REG1:[0-9]+]], 3, 53
19; CHECK: addi [[REG2:[0-9]+]], [[REG1]], 1
20; CHECK: cmpldi [[REG2]], 1
21; CHECK: iselgt [[REG3:[0-9]+]], {{[0-9]+}}, 3
22; CHECK-NO-ISEL: rldicr [[REG2:[0-9]+]], {{[0-9]+}}, 0, 52
23; CHECK-NO-ISEL: bc 12, 1, [[TRUE:.LBB[0-9]+]]
24; CHECK-NO-ISEL: b [[SUCCESSOR:.LBB[0-9]+]]
25; CHECK-NO-ISEL-NEXT: [[TRUE]]
26; CHECK-NO-ISEL-NEXT: addi {{[0-9]+}}, [[REG2]], 0
27; CHECK-NO-ISEL-NEXT: [[SUCCESSOR]]
28; CHECK-NO-ISEL: std {{[0-9]+}}, -{{[0-9]+}}(1)
29; CHECK: std [[REG3]], -{{[0-9]+}}(1)
30
31
32; Also check that with -enable-unsafe-fp-math we do not get that extra
33; code sequence.  Simply verify that there is no "isel" present.
34
35; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-fpcvt -enable-unsafe-fp-math < %s | FileCheck %s -check-prefix=CHECK-UNSAFE
36; CHECK-UNSAFE-NOT: isel
37
38