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