FastIsel can't handle them, so we would end up crashing during
register class selection.
Fixes PR26522.
Differential Revision: https://reviews.llvm.org/D35272
llvm-svn: 307797
if (!Subtarget->is64Bit())
return false;
+ if (Subtarget->useSoftFloat())
+ return false;
+
// Only handle simple cases. i.e. Up to 6 i32/i64 scalar arguments.
unsigned GPRCnt = 0;
unsigned FPRCnt = 0;
--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc %s -o - | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+define float @pr26522(float %pat) #0 {
+; CHECK-LABEL: pr26522:
+; CHECK: # BB#0:
+; CHECK-NEXT: movl %edi, %eax
+; CHECK-NEXT: retq
+ ret float %pat
+}
+
+attributes #0 = { noinline optnone "target-features"="+soft-float" }