xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/reghinting.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mcpu=generic -mtriple=x86_64-apple-macosx | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; PR10221
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker;; The registers %x and %y must both spill across the finit call.
5*9880d681SAndroid Build Coastguard Worker;; Check that they are spilled early enough that not copies are needed for the
6*9880d681SAndroid Build Coastguard Worker;; fadd and fpext.
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker; CHECK: pr10221
9*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: movaps
10*9880d681SAndroid Build Coastguard Worker; CHECK:      movss
11*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: movss
12*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: addss
13*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: cvtss2sd
14*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: finit
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workerdefine i32 @pr10221(float %x, float %y, i8** nocapture %_retval) nounwind uwtable ssp {
17*9880d681SAndroid Build Coastguard Workerentry:
18*9880d681SAndroid Build Coastguard Worker  %add = fadd float %x, %y
19*9880d681SAndroid Build Coastguard Worker  %conv = fpext float %add to double
20*9880d681SAndroid Build Coastguard Worker  %call = tail call i32 @finit(double %conv) nounwind
21*9880d681SAndroid Build Coastguard Worker  %tobool = icmp eq i32 %call, 0
22*9880d681SAndroid Build Coastguard Worker  br i1 %tobool, label %return, label %if.end
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Workerif.end:                                           ; preds = %entry
25*9880d681SAndroid Build Coastguard Worker  tail call void @foo(float %x, float %y) nounwind
26*9880d681SAndroid Build Coastguard Worker  br label %return
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Workerreturn:                                           ; preds = %entry, %if.end
29*9880d681SAndroid Build Coastguard Worker  %retval.0 = phi i32 [ 0, %if.end ], [ 5, %entry ]
30*9880d681SAndroid Build Coastguard Worker  ret i32 %retval.0
31*9880d681SAndroid Build Coastguard Worker}
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Workerdeclare i32 @finit(double)
34*9880d681SAndroid Build Coastguard Worker
35*9880d681SAndroid Build Coastguard Workerdeclare void @foo(float, float)
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