1 ; RUN: llc -regalloc=fast -optimize-regalloc=0 -verify-machineinstrs < %s
2 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"
3 target triple = "x86_64-apple-darwin"
5 ; This test causes a virtual FP register to be redefined while it is live:
8 ; Predecessors according to CFG: %bb.4 %bb.5
9 ; %reg1024 = MOV_Fp8080 %reg1034
10 ; %reg1025 = MUL_Fp80m32 %reg1024, %rip, 1, %reg0, %const.0, %reg0; mem:LD4[ConstantPool]
11 ; %reg1034 = MOV_Fp8080 %reg1025
12 ; FP_REG_KILL implicit-def %fp0, implicit-def %fp1, implicit-def %fp2, implicit-def %fp3, implicit-def %fp4, implicit-def %fp5, implicit-def %fp6
15 ; The X86FP pass needs good kill flags, like on %fp0 representing %reg1034:
18 ; Predecessors according to CFG: %bb.4 %bb.5
19 ; %fp0 = LD_Fp80m %stack.3, 1, %reg0, 0, %reg0; mem:LD10[FixedStack3](align=4)
20 ; %fp1 = MOV_Fp8080 killed %fp0
21 ; %fp2 = MUL_Fp80m32 %fp1, %rip, 1, %reg0, %const.0, %reg0; mem:LD4[ConstantPool]
22 ; %fp0 = MOV_Fp8080 %fp2
23 ; ST_FpP80m %stack.3, 1, %reg0, 0, %reg0, killed %fp0; mem:ST10[FixedStack3](align=4)
24 ; ST_FpP80m %stack.4, 1, %reg0, 0, %reg0, killed %fp1; mem:ST10[FixedStack4](align=4)
25 ; ST_FpP80m %stack.5, 1, %reg0, 0, %reg0, killed %fp2; mem:ST10[FixedStack5](align=4)
26 ; FP_REG_KILL implicit-def %fp0, implicit-def %fp1, implicit-def %fp2, implicit-def %fp3, implicit-def %fp4, implicit-def %fp5, implicit-def %fp6
29 define fastcc i32 @sqlite3AtoF(ptr %z, ptr nocapture %pResult) nounwind ssp {
31 br i1 undef, label %bb2, label %bb1.i.i
33 bb1.i.i: ; preds = %entry
37 br i1 undef, label %isdigit339.exit11.preheader, label %bb13
39 isdigit339.exit11.preheader: ; preds = %bb2
40 br i1 undef, label %bb12, label %bb10
42 bb10: ; preds = %bb10, %isdigit339.exit11.preheader
43 %divisor.041 = phi x86_fp80 [ %0, %bb10 ], [ 0xK3FFF8000000000000000, %isdigit339.exit11.preheader ] ; <x86_fp80> [#uses=1]
44 %0 = fmul x86_fp80 %divisor.041, 0xK4002A000000000000000 ; <x86_fp80> [#uses=2]
45 br i1 false, label %bb12, label %bb10
47 bb12: ; preds = %bb10, %isdigit339.exit11.preheader
48 %divisor.0.lcssa = phi x86_fp80 [ 0xK3FFF8000000000000000, %isdigit339.exit11.preheader ], [ %0, %bb10 ] ; <x86_fp80> [#uses=0]
51 bb13: ; preds = %bb12, %bb2
52 br i1 undef, label %bb34, label %bb36
57 bb36: ; preds = %bb34, %bb13