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6b2ca0ab43
Follow up patch of r328313 to support the UseVMOVSR constraint. Removed some unneeded instructions from the test and removed some stray comments. Differential Revision: https://reviews.llvm.org/D44941 llvm-svn: 328691
62 lines
2.0 KiB
LLVM
62 lines
2.0 KiB
LLVM
; RUN: llc -mtriple=thumbv7m-arm-none-eabi -mattr=+execute-only,+fp-armv8 %s -o - | FileCheck --check-prefixes=CHECK,VMOVSR %s
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; RUN: llc -mtriple=thumbv7m-arm-none-eabi -mattr=+execute-only,+fp-armv8,+neon,+neonfp %s -o - | FileCheck --check-prefixes=CHECK,NEON %s
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define arm_aapcs_vfpcc float @foo0() local_unnamed_addr {
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%1 = fcmp nsz olt float undef, 0.000000e+00
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%2 = select i1 %1, float -5.000000e-01, float 5.000000e-01
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ret float %2
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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 float @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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br label %.end
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.end:
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%4 = phi float [ undef, %0 ], [ %3, %1]
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ret float %4
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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 float @float128() local_unnamed_addr {
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%1 = fcmp nsz olt float undef, 128.000000e+00
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%2 = select i1 %1, float -5.000000e-01, float 5.000000e-01
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ret float %2
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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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; VMOVSR: vmov [[FPREG:s[0-9]+]], [[REG]]
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; VMOVSR: vcmpe.f32 [[FPREG]], {{s[0-9]+}}
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; NEON: vmov d2, [[REG]], [[REG]]
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; NEON: vcmpe.f32 s4, {{s[0-9]+}}
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define arm_aapcs_vfpcc double @double1() local_unnamed_addr {
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%1 = fcmp nsz olt double undef, 1.000000e+00
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%2 = select i1 %1, double -5.000000e-01, double 5.000000e-01
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ret double %2
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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 double @double128() local_unnamed_addr {
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%1 = fcmp nsz olt double undef, 128.000000e+00
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%2 = select i1 %1, double -5.000000e-01, double 5.000000e-01
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ret double %2
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}
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; CHECK-LABEL: double128
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; CHECK: movs [[REGH:r[0-9]+]], #0
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; CHECK: movt [[REGH]], #16480
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; CHECK: movs [[REGL:r[0-9]+]], #0
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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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