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; RUN: llc < %s -O0 -fast-isel-abort -mtriple=armv7-apple-darwin | FileCheck %s --check-prefix=ARM
; RUN: llc < %s -O0 -fast-isel-abort -mtriple=thumbv7-apple-darwin | FileCheck %s --check-prefix=THUMB
; 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
}
; Check truncate to bool
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
; ARM: test1:
; ARM: tst r0, #1
; THUMB: test1:
; THUMB: tst.w r0, #1
}
; Check some simple operations with immediates
define void @test2(i32 %tmp, i32* %ptr) nounwind {
; THUMB: test2:
; ARM: test2:
b1:
%a = add i32 %tmp, 4096
store i32 %a, i32* %ptr
br label %b2
; THUMB: add.w {{.*}} #4096
; ARM: add {{.*}} #1, #20
b2:
%b = add i32 %tmp, 4095
store i32 %b, i32* %ptr
br label %b3
; THUMB: addw {{.*}} #4095
; ARM: movw {{.*}} #4095
; ARM: add
b3:
%c = or i32 %tmp, 4
store i32 %c, i32* %ptr
ret void
; THUMB: orr {{.*}} #4
; ARM: orr {{.*}} #4
}
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