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28beeeac4d
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41097 91177308-0d34-0410-b5e6-96231b3b80d8
138 lines
5.4 KiB
LLVM
138 lines
5.4 KiB
LLVM
; RUN: llvm-as < %s | llc -mcpu=i686 | grep jmp | count 1
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; check that branch folding understands FP_REG_KILL is not a branch
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; the remaining jmp can be removed if we take advantage of knowing
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; abort does not return
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; ModuleID = 'g.bc'
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64"
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target triple = "i686-pc-linux-gnu"
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%struct.FRAME.c34003a = type { float, float }
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@report_E = global i8 0 ; <i8*> [#uses=0]
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define void @main() {
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entry:
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%FRAME.31 = alloca %struct.FRAME.c34003a, align 8 ; <%struct.FRAME.c34003a*> [#uses=4]
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%tmp20 = call i32 @report__ident_int( i32 -50 ) ; <i32> [#uses=1]
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%tmp2021 = sitofp i32 %tmp20 to float ; <float> [#uses=5]
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%tmp23 = fcmp ult float %tmp2021, 0xC7EFFFFFE0000000 ; <i1> [#uses=1]
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%tmp26 = fcmp ugt float %tmp2021, 0x47EFFFFFE0000000 ; <i1> [#uses=1]
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%bothcond = or i1 %tmp23, %tmp26 ; <i1> [#uses=1]
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br i1 %bothcond, label %bb, label %bb30
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bb: ; preds = %entry
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unwind
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bb30: ; preds = %entry
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%tmp35 = call i32 @report__ident_int( i32 50 ) ; <i32> [#uses=1]
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%tmp3536 = sitofp i32 %tmp35 to float ; <float> [#uses=4]
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%tmp38 = fcmp ult float %tmp3536, 0xC7EFFFFFE0000000 ; <i1> [#uses=1]
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%tmp44 = fcmp ugt float %tmp3536, 0x47EFFFFFE0000000 ; <i1> [#uses=1]
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%bothcond226 = or i1 %tmp38, %tmp44 ; <i1> [#uses=1]
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br i1 %bothcond226, label %bb47, label %bb49
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bb47: ; preds = %bb30
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unwind
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bb49: ; preds = %bb30
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%tmp60 = fcmp ult float %tmp3536, %tmp2021 ; <i1> [#uses=1]
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%tmp60.not = xor i1 %tmp60, true ; <i1> [#uses=1]
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%tmp65 = fcmp olt float %tmp2021, 0xC7EFFFFFE0000000 ; <i1> [#uses=1]
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%bothcond227 = and i1 %tmp65, %tmp60.not ; <i1> [#uses=1]
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br i1 %bothcond227, label %cond_true68, label %cond_next70
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cond_true68: ; preds = %bb49
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unwind
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cond_next70: ; preds = %bb49
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%tmp71 = call i32 @report__ident_int( i32 -30 ) ; <i32> [#uses=1]
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%tmp7172 = sitofp i32 %tmp71 to float ; <float> [#uses=3]
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%tmp74 = fcmp ult float %tmp7172, 0xC7EFFFFFE0000000 ; <i1> [#uses=1]
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%tmp80 = fcmp ugt float %tmp7172, 0x47EFFFFFE0000000 ; <i1> [#uses=1]
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%bothcond228 = or i1 %tmp74, %tmp80 ; <i1> [#uses=1]
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br i1 %bothcond228, label %bb83, label %bb85
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bb83: ; preds = %cond_next70
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unwind
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bb85: ; preds = %cond_next70
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%tmp90 = getelementptr %struct.FRAME.c34003a* %FRAME.31, i32 0, i32 1 ; <float*> [#uses=3]
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store float %tmp7172, float* %tmp90
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%tmp92 = call i32 @report__ident_int( i32 30 ) ; <i32> [#uses=1]
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%tmp9293 = sitofp i32 %tmp92 to float ; <float> [#uses=7]
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%tmp95 = fcmp ult float %tmp9293, 0xC7EFFFFFE0000000 ; <i1> [#uses=1]
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%tmp101 = fcmp ugt float %tmp9293, 0x47EFFFFFE0000000 ; <i1> [#uses=1]
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%bothcond229 = or i1 %tmp95, %tmp101 ; <i1> [#uses=1]
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br i1 %bothcond229, label %bb104, label %bb106
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bb104: ; preds = %bb85
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unwind
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bb106: ; preds = %bb85
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%tmp111 = getelementptr %struct.FRAME.c34003a* %FRAME.31, i32 0, i32 0 ; <float*> [#uses=2]
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store float %tmp9293, float* %tmp111
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%tmp123 = load float* %tmp90 ; <float> [#uses=4]
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%tmp125 = fcmp ult float %tmp9293, %tmp123 ; <i1> [#uses=1]
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br i1 %tmp125, label %cond_next147, label %cond_true128
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cond_true128: ; preds = %bb106
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%tmp133 = fcmp olt float %tmp123, %tmp2021 ; <i1> [#uses=1]
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%tmp142 = fcmp ogt float %tmp9293, %tmp3536 ; <i1> [#uses=1]
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%bothcond230 = or i1 %tmp133, %tmp142 ; <i1> [#uses=1]
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br i1 %bothcond230, label %bb145, label %cond_next147
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bb145: ; preds = %cond_true128
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unwind
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cond_next147: ; preds = %cond_true128, %bb106
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%tmp157 = fcmp ugt float %tmp123, -3.000000e+01 ; <i1> [#uses=1]
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%tmp165 = fcmp ult float %tmp9293, -3.000000e+01 ; <i1> [#uses=1]
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%bothcond231 = or i1 %tmp157, %tmp165 ; <i1> [#uses=1]
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br i1 %bothcond231, label %bb168, label %bb169
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bb168: ; preds = %cond_next147
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unwind
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bb169: ; preds = %cond_next147
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%tmp176 = fcmp ugt float %tmp123, 3.000000e+01 ; <i1> [#uses=1]
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%tmp184 = fcmp ult float %tmp9293, 3.000000e+01 ; <i1> [#uses=1]
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%bothcond232 = or i1 %tmp176, %tmp184 ; <i1> [#uses=1]
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br i1 %bothcond232, label %bb187, label %bb188
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bb187: ; preds = %bb169
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unwind
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bb188: ; preds = %bb169
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%tmp192 = call fastcc float @c34003a__ident.154( %struct.FRAME.c34003a* %FRAME.31, float 3.000000e+01 ) ; <float> [#uses=2]
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%tmp194 = load float* %tmp90 ; <float> [#uses=1]
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%tmp196 = fcmp ugt float %tmp194, 0.000000e+00 ; <i1> [#uses=1]
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br i1 %tmp196, label %bb207, label %cond_next200
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cond_next200: ; preds = %bb188
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%tmp202 = load float* %tmp111 ; <float> [#uses=1]
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%tmp204 = fcmp ult float %tmp202, 0.000000e+00 ; <i1> [#uses=1]
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br i1 %tmp204, label %bb207, label %bb208
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bb207: ; preds = %cond_next200, %bb188
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unwind
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bb208: ; preds = %cond_next200
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%tmp212 = call fastcc float @c34003a__ident.154( %struct.FRAME.c34003a* %FRAME.31, float 0.000000e+00 ) ; <float> [#uses=1]
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%tmp214 = fcmp oge float %tmp212, %tmp192 ; <i1> [#uses=1]
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%tmp217 = fcmp oge float %tmp192, 1.000000e+02 ; <i1> [#uses=1]
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%tmp221 = or i1 %tmp214, %tmp217 ; <i1> [#uses=1]
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br i1 %tmp221, label %cond_true224, label %UnifiedReturnBlock
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cond_true224: ; preds = %bb208
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call void @abort( ) noreturn
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ret void
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UnifiedReturnBlock: ; preds = %bb208
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ret void
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}
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declare fastcc float @c34003a__ident.154(%struct.FRAME.c34003a* %CHAIN.32, float %x)
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declare i32 @report__ident_int(i32 %x)
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declare void @abort() noreturn
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