llvm-project/llvm/test/CodeGen/PowerPC/save-cr-ppc32svr4.ll

48 lines
1.6 KiB
LLVM

; RUN: llc -relocation-model pic < %s | FileCheck %s
;
; Make sure that the CR register is saved correctly on PPC32/SVR4.
; CHECK-LABEL: fred:
; CHECK: stwu 1, -48(1)
; CHECK: stw 31, 36(1)
; CHECK: mr 31, 1
; CHECK-DAG: stw 30, 32(1)
; CHECK-DAG: mfcr [[CR:[0-9]+]]
; CHECK: stw [[CR]], 28(31)
target datalayout = "E-m:e-p:32:32-i64:64-n32"
target triple = "powerpc-unknown-freebsd"
; Function Attrs: norecurse nounwind readnone sspstrong
define i64 @fred(double %a0) local_unnamed_addr #0 {
b1:
%a1 = tail call double asm "fadd $0, $1, $2", "=f,f,f,~{cr2}"(double %a0, double %a0)
%v2 = fcmp olt double %a1, 0x43E0000000000000
br i1 %v2, label %b3, label %b7
b3: ; preds = %b1
%v4 = fcmp olt double %a0, 0xC3E0000000000000
%v5 = fptosi double %a0 to i64
%v6 = select i1 %v4, i64 -9223372036854775808, i64 %v5
br label %b14
b7: ; preds = %b1
%v8 = fcmp olt double %a0, 0x43F0000000000000
br i1 %v8, label %b9, label %b11
b9: ; preds = %b7
%v10 = fptoui double %a0 to i64
br label %b14
b11: ; preds = %b7
%v12 = fcmp ogt double %a0, 0.000000e+00
%v13 = sext i1 %v12 to i64
br label %b14
b14: ; preds = %b11, %b9, %b3
%v15 = phi i64 [ %v6, %b3 ], [ %v10, %b9 ], [ %v13, %b11 ]
ret i64 %v15
}
attributes #0 = { norecurse nounwind readnone sspstrong "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "stack-protector-buffer-size"="8" "target-cpu"="ppc" }