; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-fpcvt < %s | FileCheck %s ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-fpcvt -ppc-gen-isel=false < %s | FileCheck %s --check-prefix=CHECK-NO-ISEL target 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" target triple = "powerpc64-unknown-linux-gnu" define float @test(i64 %x) nounwind readnone { entry: %conv = sitofp i64 %x to float ret float %conv } ; Verify that we get the code sequence needed to avoid double-rounding. ; Note that only parts of the sequence are checked for here, to allow ; for minor code generation differences. ;CHECK-LABEL: test ;CHECK-NO-ISEL-LABEL: test ; CHECK: sradi [[REG1:[0-9]+]], 3, 53 ; CHECK: addi [[REG2:[0-9]+]], [[REG1]], 1 ; CHECK: cmpldi [[REG2]], 1 ; CHECK: isel [[REG3:[0-9]+]], {{[0-9]+}}, 3, 1 ; CHECK-NO-ISEL: rldicr [[REG2:[0-9]+]], {{[0-9]+}}, 0, 52 ; CHECK-NO-ISEL: bc 12, 1, [[TRUE:.LBB[0-9]+]] ; CHECK-NO-ISEL: ori [[REG3:[0-9]+]], 3, 0 ; CHECK-NO-ISEL-NEXT: b [[SUCCESSOR:.LBB[0-9]+]] ; CHECK-NO-ISEL-NEXT: [[TRUE]] ; CHECK-NO-ISEL-NEXT: addi [[REG3]], [[REG2]], 0 ; CHECK-NO-ISEL-NEXT: [[SUCCESSOR]] ; CHECK-NO-ISEL: std [[REG3]], -{{[0-9]+}}(1) ; CHECK: std [[REG3]], -{{[0-9]+}}(1) ; Also check that with -enable-unsafe-fp-math we do not get that extra ; code sequence. Simply verify that there is no "isel" present. ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-fpcvt -enable-unsafe-fp-math < %s | FileCheck %s -check-prefix=CHECK-UNSAFE ; CHECK-UNSAFE-NOT: isel