mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-29 10:32:47 +00:00
97b5beb7fe
define physical registers. It's currently very restrictive, only catching cases where the CE is in an immediate (and only) predecessor. But it catches a surprising large number of cases. rdar://10660865 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147827 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
1.0 KiB
LLVM
36 lines
1.0 KiB
LLVM
; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s
|
|
; rdar://7354379
|
|
|
|
declare double @foo(double) nounwind readnone
|
|
|
|
define void @t(i32 %c, double %b) {
|
|
entry:
|
|
%cmp1 = icmp ne i32 %c, 0
|
|
br i1 %cmp1, label %bb3, label %bb1
|
|
|
|
bb1: ; preds = %entry
|
|
unreachable
|
|
|
|
bb3: ; preds = %entry
|
|
%cmp2 = icmp ne i32 %c, 0
|
|
br i1 %cmp2, label %bb7, label %bb5
|
|
|
|
bb5: ; preds = %bb3
|
|
unreachable
|
|
|
|
bb7: ; preds = %bb3
|
|
%cmp3 = icmp ne i32 %c, 0
|
|
br i1 %cmp3, label %bb11, label %bb9
|
|
|
|
bb9: ; preds = %bb7
|
|
; CHECK: cmp r0, #0
|
|
; CHECK-NEXT: cbnz
|
|
%0 = tail call double @foo(double %b) nounwind readnone ; <double> [#uses=0]
|
|
br label %bb11
|
|
|
|
bb11: ; preds = %bb9, %bb7
|
|
%1 = getelementptr i32* undef, i32 0
|
|
store i32 0, i32* %1
|
|
ret void
|
|
}
|