llvm-6502/test/CodeGen/ARM/fast-isel.ll
Eric Christopher bcf26aee86 Add trunc->branch support, this won't help with clang's i8->i1 truncations
for bools, but is a start.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130534 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-29 20:02:39 +00:00

32 lines
807 B
LLVM

; RUN: llc < %s -O0 -fast-isel-abort -mtriple=armv7-apple-darwin
; RUN: llc < %s -O0 -fast-isel-abort -mtriple=thumbv7-apple-darwin
; Very basic fast-isel functionality.
define i32 @add(i32 %a, i32 %b) nounwind {
entry:
%a.addr = alloca i32, align 4
%b.addr = alloca i32, align 4
store i32 %a, i32* %a.addr
store i32 %b, i32* %b.addr
%tmp = load i32* %a.addr
%tmp1 = load i32* %b.addr
%add = add nsw i32 %tmp, %tmp1
ret i32 %add
}
define void @test1(i32 %tmp) nounwind {
entry:
%tobool = trunc i32 %tmp to i1
br i1 %tobool, label %if.then, label %if.end
if.then: ; preds = %entry
call void @test1(i32 0)
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
; CHECK: test1:
; CHECK: tst r0, #1
}