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physical registers. This is especially critical for the later two since they start the live interval of a super-register. e.g. %DO<def> = INSERT_SUBREG %D0<undef>, %S0<kill>, 1 If this instruction is eliminated, the register scavenger will not be happy as D0 is not defined previously. This fixes PR5055. llvm-svn: 82968
25 lines
853 B
LLVM
25 lines
853 B
LLVM
; RUN: llc < %s -mtriple=armv7-eabi -mcpu=cortex-a8
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; PR5055
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module asm ".globl\09__aeabi_f2lz"
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module asm ".set\09__aeabi_f2lz, __fixsfdi"
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module asm ""
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define arm_aapcs_vfpcc i64 @__fixsfdi(float %a) nounwind {
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entry:
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%0 = fcmp olt float %a, 0.000000e+00 ; <i1> [#uses=1]
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br i1 %0, label %bb, label %bb1
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bb: ; preds = %entry
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%1 = fsub float -0.000000e+00, %a ; <float> [#uses=1]
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%2 = tail call arm_aapcs_vfpcc i64 @__fixunssfdi(float %1) nounwind ; <i64> [#uses=1]
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%3 = sub i64 0, %2 ; <i64> [#uses=1]
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ret i64 %3
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bb1: ; preds = %entry
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%4 = tail call arm_aapcs_vfpcc i64 @__fixunssfdi(float %a) nounwind ; <i64> [#uses=1]
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ret i64 %4
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}
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declare arm_aapcs_vfpcc i64 @__fixunssfdi(float)
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