mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-22 07:32:48 +00:00
703af3ab12
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111050 91177308-0d34-0410-b5e6-96231b3b80d8
88 lines
2.5 KiB
LLVM
88 lines
2.5 KiB
LLVM
; RUN: llc < %s -mtriple=thumbv7-apple-darwin | FileCheck %s
|
|
; XFAIL: *
|
|
|
|
define i32 @t1(i32 %a, i32 %b, i32 %c, i32 %d) nounwind {
|
|
; CHECK: t1:
|
|
; CHECK: it ne
|
|
; CHECK: cmpne
|
|
switch i32 %c, label %cond_next [
|
|
i32 1, label %cond_true
|
|
i32 7, label %cond_true
|
|
]
|
|
|
|
cond_true:
|
|
%tmp12 = add i32 %a, 1
|
|
%tmp1518 = add i32 %tmp12, %b
|
|
ret i32 %tmp1518
|
|
|
|
cond_next:
|
|
%tmp15 = add i32 %b, %a
|
|
ret i32 %tmp15
|
|
}
|
|
|
|
; FIXME: Check for # of unconditional branch after adding branch folding post ifcvt.
|
|
define i32 @t2(i32 %a, i32 %b) nounwind {
|
|
entry:
|
|
; CHECK: t2:
|
|
; CHECK: ite gt
|
|
; CHECK: subgt
|
|
; CHECK: suble
|
|
%tmp1434 = icmp eq i32 %a, %b ; <i1> [#uses=1]
|
|
br i1 %tmp1434, label %bb17, label %bb.outer
|
|
|
|
bb.outer: ; preds = %cond_false, %entry
|
|
%b_addr.021.0.ph = phi i32 [ %b, %entry ], [ %tmp10, %cond_false ] ; <i32> [#uses=5]
|
|
%a_addr.026.0.ph = phi i32 [ %a, %entry ], [ %a_addr.026.0, %cond_false ] ; <i32> [#uses=1]
|
|
br label %bb
|
|
|
|
bb: ; preds = %cond_true, %bb.outer
|
|
%indvar = phi i32 [ 0, %bb.outer ], [ %indvar.next, %cond_true ] ; <i32> [#uses=2]
|
|
%tmp. = sub i32 0, %b_addr.021.0.ph ; <i32> [#uses=1]
|
|
%tmp.40 = mul i32 %indvar, %tmp. ; <i32> [#uses=1]
|
|
%a_addr.026.0 = add i32 %tmp.40, %a_addr.026.0.ph ; <i32> [#uses=6]
|
|
%tmp3 = icmp sgt i32 %a_addr.026.0, %b_addr.021.0.ph ; <i1> [#uses=1]
|
|
br i1 %tmp3, label %cond_true, label %cond_false
|
|
|
|
cond_true: ; preds = %bb
|
|
%tmp7 = sub i32 %a_addr.026.0, %b_addr.021.0.ph ; <i32> [#uses=2]
|
|
%tmp1437 = icmp eq i32 %tmp7, %b_addr.021.0.ph ; <i1> [#uses=1]
|
|
%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
|
|
br i1 %tmp1437, label %bb17, label %bb
|
|
|
|
cond_false: ; preds = %bb
|
|
%tmp10 = sub i32 %b_addr.021.0.ph, %a_addr.026.0 ; <i32> [#uses=2]
|
|
%tmp14 = icmp eq i32 %a_addr.026.0, %tmp10 ; <i1> [#uses=1]
|
|
br i1 %tmp14, label %bb17, label %bb.outer
|
|
|
|
bb17: ; preds = %cond_false, %cond_true, %entry
|
|
%a_addr.026.1 = phi i32 [ %a, %entry ], [ %tmp7, %cond_true ], [ %a_addr.026.0, %cond_false ] ; <i32> [#uses=1]
|
|
ret i32 %a_addr.026.1
|
|
}
|
|
|
|
@x = external global i32* ; <i32**> [#uses=1]
|
|
|
|
define void @foo(i32 %a) nounwind {
|
|
entry:
|
|
%tmp = load i32** @x ; <i32*> [#uses=1]
|
|
store i32 %a, i32* %tmp
|
|
ret void
|
|
}
|
|
|
|
; Tail call prevents use of ifcvt in this one. Seems like a win though.
|
|
define void @t3(i32 %a, i32 %b) nounwind {
|
|
entry:
|
|
; CHECK: t3:
|
|
; CHECK-NOT: it lt
|
|
; CHECK-NOT: poplt
|
|
; CHECK: b.w _foo @ TAILCALL
|
|
%tmp1 = icmp sgt i32 %a, 10 ; <i1> [#uses=1]
|
|
br i1 %tmp1, label %cond_true, label %UnifiedReturnBlock
|
|
|
|
cond_true: ; preds = %entry
|
|
tail call void @foo( i32 %b )
|
|
ret void
|
|
|
|
UnifiedReturnBlock: ; preds = %entry
|
|
ret void
|
|
}
|