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llvm-mirror/test/CodeGen/ARM/neon_minmax.ll
James Molloy 9672bb0968 [ARM] Fix crash when targetting CPU without NEON
We emulate a scalar vmin/vmax with NEON instructions as they don't exist in the VFP ISA. So only mark these as legal when NEON is available.

Found here: https://code.google.com/p/chromium/issues/detail?id=521671

llvm-svn: 245231
2015-08-17 19:37:12 +00:00

83 lines
2.0 KiB
LLVM

; RUN: llc -mtriple=arm-eabi -mcpu=swift %s -o - | FileCheck %s
; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a8 -mattr=-neon %s -o -
define float @fmin_ole(float %x) nounwind {
;CHECK-LABEL: fmin_ole:
;CHECK: vmin.f32
%cond = fcmp ole float 1.0, %x
%min1 = select i1 %cond, float 1.0, float %x
ret float %min1
}
define float @fmin_ole_zero(float %x) nounwind {
;CHECK-LABEL: fmin_ole_zero:
;CHECK-NOT: vmin.f32
%cond = fcmp ole float 0.0, %x
%min1 = select i1 %cond, float 0.0, float %x
ret float %min1
}
define float @fmin_ult(float %x) nounwind {
;CHECK-LABEL: fmin_ult:
;CHECK: vmin.f32
%cond = fcmp ult float %x, 1.0
%min1 = select i1 %cond, float %x, float 1.0
ret float %min1
}
define float @fmax_ogt(float %x) nounwind {
;CHECK-LABEL: fmax_ogt:
;CHECK: vmax.f32
%cond = fcmp ogt float 1.0, %x
%max1 = select i1 %cond, float 1.0, float %x
ret float %max1
}
define float @fmax_uge(float %x) nounwind {
;CHECK-LABEL: fmax_uge:
;CHECK: vmax.f32
%cond = fcmp uge float %x, 1.0
%max1 = select i1 %cond, float %x, float 1.0
ret float %max1
}
define float @fmax_uge_zero(float %x) nounwind {
;CHECK-LABEL: fmax_uge_zero:
;CHECK-NOT: vmax.f32
%cond = fcmp uge float %x, 0.0
%max1 = select i1 %cond, float %x, float 0.0
ret float %max1
}
define float @fmax_olt_reverse(float %x) nounwind {
;CHECK-LABEL: fmax_olt_reverse:
;CHECK: vmax.f32
%cond = fcmp olt float %x, 1.0
%max1 = select i1 %cond, float 1.0, float %x
ret float %max1
}
define float @fmax_ule_reverse(float %x) nounwind {
;CHECK-LABEL: fmax_ule_reverse:
;CHECK: vmax.f32
%cond = fcmp ult float 1.0, %x
%max1 = select i1 %cond, float %x, float 1.0
ret float %max1
}
define float @fmin_oge_reverse(float %x) nounwind {
;CHECK-LABEL: fmin_oge_reverse:
;CHECK: vmin.f32
%cond = fcmp oge float %x, 1.0
%min1 = select i1 %cond, float 1.0, float %x
ret float %min1
}
define float @fmin_ugt_reverse(float %x) nounwind {
;CHECK-LABEL: fmin_ugt_reverse:
;CHECK: vmin.f32
%cond = fcmp ugt float 1.0, %x
%min1 = select i1 %cond, float %x, float 1.0
ret float %min1
}