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llvm-mirror/test/CodeGen/ARM/fast-isel-ldr-str-thumb-neg-index.ll
Manman Ren 1b7973fc19 TBAA: remove !tbaa from testing cases when they are not needed.
This will make it easier to turn on struct-path aware TBAA since the metadata
format will change.

llvm-svn: 188944
2013-08-21 22:20:53 +00:00

164 lines
3.9 KiB
LLVM

; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=THUMB
define i32 @t1(i32* nocapture %ptr) nounwind readonly {
entry:
; THUMB: t1
%add.ptr = getelementptr inbounds i32* %ptr, i32 -1
%0 = load i32* %add.ptr, align 4
; THUMB: ldr r{{[0-9]}}, [r0, #-4]
ret i32 %0
}
define i32 @t2(i32* nocapture %ptr) nounwind readonly {
entry:
; THUMB: t2
%add.ptr = getelementptr inbounds i32* %ptr, i32 -63
%0 = load i32* %add.ptr, align 4
; THUMB: ldr r{{[0-9]}}, [r0, #-252]
ret i32 %0
}
define i32 @t3(i32* nocapture %ptr) nounwind readonly {
entry:
; THUMB: t3
%add.ptr = getelementptr inbounds i32* %ptr, i32 -64
%0 = load i32* %add.ptr, align 4
; THUMB: ldr r{{[0-9]}}, [r0]
ret i32 %0
}
define zeroext i16 @t4(i16* nocapture %ptr) nounwind readonly {
entry:
; THUMB: t4
%add.ptr = getelementptr inbounds i16* %ptr, i32 -1
%0 = load i16* %add.ptr, align 2
; THUMB: ldrh r{{[0-9]}}, [r0, #-2]
ret i16 %0
}
define zeroext i16 @t5(i16* nocapture %ptr) nounwind readonly {
entry:
; THUMB: t5
%add.ptr = getelementptr inbounds i16* %ptr, i32 -127
%0 = load i16* %add.ptr, align 2
; THUMB: ldrh r{{[0-9]}}, [r0, #-254]
ret i16 %0
}
define zeroext i16 @t6(i16* nocapture %ptr) nounwind readonly {
entry:
; THUMB: t6
%add.ptr = getelementptr inbounds i16* %ptr, i32 -128
%0 = load i16* %add.ptr, align 2
; THUMB: ldrh r{{[0-9]}}, [r0]
ret i16 %0
}
define zeroext i8 @t7(i8* nocapture %ptr) nounwind readonly {
entry:
; THUMB: t7
%add.ptr = getelementptr inbounds i8* %ptr, i32 -1
%0 = load i8* %add.ptr, align 1
; THUMB: ldrb r{{[0-9]}}, [r0, #-1]
ret i8 %0
}
define zeroext i8 @t8(i8* nocapture %ptr) nounwind readonly {
entry:
; THUMB: t8
%add.ptr = getelementptr inbounds i8* %ptr, i32 -255
%0 = load i8* %add.ptr, align 1
; THUMB: ldrb r{{[0-9]}}, [r0, #-255]
ret i8 %0
}
define zeroext i8 @t9(i8* nocapture %ptr) nounwind readonly {
entry:
; THUMB: t9
%add.ptr = getelementptr inbounds i8* %ptr, i32 -256
%0 = load i8* %add.ptr, align 1
; THUMB: ldrb r{{[0-9]}}, [r0]
ret i8 %0
}
define void @t10(i32* nocapture %ptr) nounwind {
entry:
; THUMB: t10
%add.ptr = getelementptr inbounds i32* %ptr, i32 -1
store i32 0, i32* %add.ptr, align 4
; THUMB: str r{{[0-9]}}, [r0, #-4]
ret void
}
define void @t11(i32* nocapture %ptr) nounwind {
entry:
; THUMB: t11
%add.ptr = getelementptr inbounds i32* %ptr, i32 -63
store i32 0, i32* %add.ptr, align 4
; THUMB: str r{{[0-9]}}, [r0, #-252]
ret void
}
define void @t12(i32* nocapture %ptr) nounwind {
entry:
; THUMB: t12
%add.ptr = getelementptr inbounds i32* %ptr, i32 -64
store i32 0, i32* %add.ptr, align 4
; THUMB: str r{{[0-9]}}, [r0]
ret void
}
define void @t13(i16* nocapture %ptr) nounwind {
entry:
; THUMB: t13
%add.ptr = getelementptr inbounds i16* %ptr, i32 -1
store i16 0, i16* %add.ptr, align 2
; THUMB: strh r{{[0-9]}}, [r0, #-2]
ret void
}
define void @t14(i16* nocapture %ptr) nounwind {
entry:
; THUMB: t14
%add.ptr = getelementptr inbounds i16* %ptr, i32 -127
store i16 0, i16* %add.ptr, align 2
; THUMB: strh r{{[0-9]}}, [r0, #-254]
ret void
}
define void @t15(i16* nocapture %ptr) nounwind {
entry:
; THUMB: t15
%add.ptr = getelementptr inbounds i16* %ptr, i32 -128
store i16 0, i16* %add.ptr, align 2
; THUMB: strh r{{[0-9]}}, [r0]
ret void
}
define void @t16(i8* nocapture %ptr) nounwind {
entry:
; THUMB: t16
%add.ptr = getelementptr inbounds i8* %ptr, i32 -1
store i8 0, i8* %add.ptr, align 1
; THUMB: strb r{{[0-9]}}, [r0, #-1]
ret void
}
define void @t17(i8* nocapture %ptr) nounwind {
entry:
; THUMB: t17
%add.ptr = getelementptr inbounds i8* %ptr, i32 -255
store i8 0, i8* %add.ptr, align 1
; THUMB: strb r{{[0-9]}}, [r0, #-255]
ret void
}
define void @t18(i8* nocapture %ptr) nounwind {
entry:
; THUMB: t18
%add.ptr = getelementptr inbounds i8* %ptr, i32 -256
store i8 0, i8* %add.ptr, align 1
; THUMB: strb r{{[0-9]}}, [r0]
ret void
}