60 lines
2.8 KiB
LLVM
60 lines
2.8 KiB
LLVM
; RUN: llc -regalloc=fast -optimize-regalloc=0 -verify-machineinstrs < %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-darwin"
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; This test causes a virtual FP register to be redefined while it is live:
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;BB#5: derived from LLVM BB %bb10
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; Predecessors according to CFG: BB#4 BB#5
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; %reg1024<def> = MOV_Fp8080 %reg1034
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; %reg1025<def> = MUL_Fp80m32 %reg1024, %RIP, 1, %reg0, <cp#0>, %reg0; mem:LD4[ConstantPool]
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; %reg1034<def> = MOV_Fp8080 %reg1025
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; FP_REG_KILL %FP0<imp-def>, %FP1<imp-def>, %FP2<imp-def>, %FP3<imp-def>, %FP4<imp-def>, %FP5<imp-def>, %FP6<imp-def>
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; JMP_4 <BB#5>
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; Successors according to CFG: BB#5
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;
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; The X86FP pass needs good kill flags, like on %FP0 representing %reg1034:
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;BB#5: derived from LLVM BB %bb10
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; Predecessors according to CFG: BB#4 BB#5
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; %FP0<def> = LD_Fp80m <fi#3>, 1, %reg0, 0, %reg0; mem:LD10[FixedStack3](align=4)
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; %FP1<def> = MOV_Fp8080 %FP0<kill>
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; %FP2<def> = MUL_Fp80m32 %FP1, %RIP, 1, %reg0, <cp#0>, %reg0; mem:LD4[ConstantPool]
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; %FP0<def> = MOV_Fp8080 %FP2
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; ST_FpP80m <fi#3>, 1, %reg0, 0, %reg0, %FP0<kill>; mem:ST10[FixedStack3](align=4)
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; ST_FpP80m <fi#4>, 1, %reg0, 0, %reg0, %FP1<kill>; mem:ST10[FixedStack4](align=4)
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; ST_FpP80m <fi#5>, 1, %reg0, 0, %reg0, %FP2<kill>; mem:ST10[FixedStack5](align=4)
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; FP_REG_KILL %FP0<imp-def>, %FP1<imp-def>, %FP2<imp-def>, %FP3<imp-def>, %FP4<imp-def>, %FP5<imp-def>, %FP6<imp-def>
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; JMP_4 <BB#5>
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; Successors according to CFG: BB#5
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define fastcc i32 @sqlite3AtoF(i8* %z, double* nocapture %pResult) nounwind ssp {
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entry:
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br i1 undef, label %bb2, label %bb1.i.i
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bb1.i.i: ; preds = %entry
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unreachable
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bb2: ; preds = %entry
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br i1 undef, label %isdigit339.exit11.preheader, label %bb13
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isdigit339.exit11.preheader: ; preds = %bb2
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br i1 undef, label %bb12, label %bb10
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bb10: ; preds = %bb10, %isdigit339.exit11.preheader
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%divisor.041 = phi x86_fp80 [ %0, %bb10 ], [ 0xK3FFF8000000000000000, %isdigit339.exit11.preheader ] ; <x86_fp80> [#uses=1]
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%0 = fmul x86_fp80 %divisor.041, 0xK4002A000000000000000 ; <x86_fp80> [#uses=2]
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br i1 false, label %bb12, label %bb10
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bb12: ; preds = %bb10, %isdigit339.exit11.preheader
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%divisor.0.lcssa = phi x86_fp80 [ 0xK3FFF8000000000000000, %isdigit339.exit11.preheader ], [ %0, %bb10 ] ; <x86_fp80> [#uses=0]
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br label %bb13
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bb13: ; preds = %bb12, %bb2
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br i1 undef, label %bb34, label %bb36
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bb34: ; preds = %bb13
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br label %bb36
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bb36: ; preds = %bb34, %bb13
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ret i32 undef
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}
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