forked from OSchip/llvm-project
119 lines
3.1 KiB
LLVM
119 lines
3.1 KiB
LLVM
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; RUN: llc -mtriple=thumbv7m-arm-none-eabi -mattr=+execute-only,+fp-armv8 %s -o - | FileCheck %s
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; This function used to run into a code selection error on fp-armv8 due to
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; different ordering of the constant arguments of fcmp. Fixed by extending the
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; code selection to handle the missing case.
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define arm_aapcs_vfpcc void @foo0() local_unnamed_addr {
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br i1 undef, label %.end, label %1
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%2 = fcmp nsz olt float undef, 0.000000e+00
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%3 = select i1 %2, float -5.000000e-01, float 5.000000e-01
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%4 = fadd nsz float undef, %3
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%5 = fptosi float %4 to i32
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%6 = ashr i32 %5, 4
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%7 = icmp slt i32 %6, 0
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br i1 %7, label %8, label %.end
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tail call arm_aapcs_vfpcc void @bar()
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br label %.end
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.end:
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ret void
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}
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; CHECK-LABEL: foo0
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; CHECK: vcmpe.f32 {{s[0-9]+}}, #0
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define arm_aapcs_vfpcc void @float1() local_unnamed_addr {
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br i1 undef, label %.end, label %1
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%2 = fcmp nsz olt float undef, 1.000000e+00
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%3 = select i1 %2, float -5.000000e-01, float 5.000000e-01
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%4 = fadd nsz float undef, %3
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%5 = fptosi float %4 to i32
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%6 = ashr i32 %5, 4
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%7 = icmp slt i32 %6, 0
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br i1 %7, label %8, label %.end
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tail call arm_aapcs_vfpcc void @bar()
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br label %.end
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.end:
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ret void
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}
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; CHECK-LABEL: float1
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; CHECK: vmov.f32 [[FPREG:s[0-9]+]], #1.000000e+00
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; CHECK: vcmpe.f32 [[FPREG]], {{s[0-9]+}}
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define arm_aapcs_vfpcc void @float128() local_unnamed_addr {
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br i1 undef, label %.end, label %1
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%2 = fcmp nsz olt float undef, 128.000000e+00
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%3 = select i1 %2, float -5.000000e-01, float 5.000000e-01
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%4 = fadd nsz float undef, %3
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%5 = fptosi float %4 to i32
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%6 = ashr i32 %5, 4
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%7 = icmp slt i32 %6, 0
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br i1 %7, label %8, label %.end
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tail call arm_aapcs_vfpcc void @bar()
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br label %.end
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.end:
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ret void
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}
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; CHECK-LABEL: float128
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; CHECK: mov.w [[REG:r[0-9]+]], #1124073472
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; CHECK: vmov [[FPREG:s[0-9]+]], [[REG]]
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; CHECK: vcmpe.f32 [[FPREG]], {{s[0-9]+}}
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define arm_aapcs_vfpcc void @double1() local_unnamed_addr {
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br i1 undef, label %.end, label %1
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%2 = fcmp nsz olt double undef, 1.000000e+00
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%3 = select i1 %2, double -5.000000e-01, double 5.000000e-01
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%4 = fadd nsz double undef, %3
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%5 = fptosi double %4 to i32
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%6 = ashr i32 %5, 4
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%7 = icmp slt i32 %6, 0
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br i1 %7, label %8, label %.end
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tail call arm_aapcs_vfpcc void @bar()
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br label %.end
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.end:
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ret void
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}
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; CHECK-LABEL: double1
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; CHECK: vmov.f64 [[FPREG:d[0-9]+]], #1.000000e+00
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; CHECK: vcmpe.f64 [[FPREG]], {{d[0-9]+}}
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define arm_aapcs_vfpcc void @double128() local_unnamed_addr {
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br i1 undef, label %.end, label %1
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%2 = fcmp nsz olt double undef, 128.000000e+00
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%3 = select i1 %2, double -5.000000e-01, double 5.000000e-01
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%4 = fadd nsz double undef, %3
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%5 = fptosi double %4 to i32
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%6 = ashr i32 %5, 4
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%7 = icmp slt i32 %6, 0
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br i1 %7, label %8, label %.end
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tail call arm_aapcs_vfpcc void @bar()
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br label %.end
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.end:
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ret void
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}
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; CHECK-LABEL: double128
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; CHECK: movs [[REGL:r[0-9]+]], #0
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; CHECK: movs [[REGH:r[0-9]+]], #0
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; CHECK: movt [[REGH]], #16480
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; CHECK: vmov [[FPREG:d[0-9]+]], [[REGL]], [[REGH]]
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; CHECK: vcmpe.f64 [[FPREG]], {{d[0-9]+}}
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declare arm_aapcs_vfpcc void @bar() local_unnamed_addr
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