2014-04-03 23:47:24 +00:00
|
|
|
; RUN: llc -mtriple=thumb-eabi %s -o - | FileCheck %s -check-prefix=V5
|
|
|
|
|
; RUN: llc -mtriple=thumb-eabi -mattr=+v6 %s -o - | FileCheck %s -check-prefix=V6
|
2009-06-24 06:36:07 +00:00
|
|
|
|
2009-08-28 00:31:43 +00:00
|
|
|
; rdar://7176514
|
|
|
|
|
|
|
|
|
|
define i32 @test1(i8* %t1) nounwind {
|
|
|
|
|
; V5: ldrb
|
|
|
|
|
|
|
|
|
|
; V6: ldrb
|
|
|
|
|
%tmp.u = load i8* %t1
|
2009-06-24 06:36:07 +00:00
|
|
|
%tmp1.s = zext i8 %tmp.u to i32
|
|
|
|
|
ret i32 %tmp1.s
|
|
|
|
|
}
|
|
|
|
|
|
2009-08-28 00:31:43 +00:00
|
|
|
define i32 @test2(i16* %t1) nounwind {
|
|
|
|
|
; V5: ldrh
|
|
|
|
|
|
|
|
|
|
; V6: ldrh
|
|
|
|
|
%tmp.u = load i16* %t1
|
2009-06-24 06:36:07 +00:00
|
|
|
%tmp1.s = zext i16 %tmp.u to i32
|
|
|
|
|
ret i32 %tmp1.s
|
|
|
|
|
}
|
|
|
|
|
|
2009-08-28 00:31:43 +00:00
|
|
|
define i32 @test3(i8* %t0) nounwind {
|
|
|
|
|
; V5: ldrb
|
|
|
|
|
; V5: lsls
|
|
|
|
|
; V5: asrs
|
|
|
|
|
|
|
|
|
|
; V6: ldrb
|
|
|
|
|
; V6: sxtb
|
|
|
|
|
%tmp.s = load i8* %t0
|
2009-06-24 06:36:07 +00:00
|
|
|
%tmp1.s = sext i8 %tmp.s to i32
|
|
|
|
|
ret i32 %tmp1.s
|
|
|
|
|
}
|
|
|
|
|
|
2009-08-28 00:31:43 +00:00
|
|
|
define i32 @test4(i16* %t0) nounwind {
|
|
|
|
|
; V5: ldrh
|
|
|
|
|
; V5: lsls
|
|
|
|
|
; V5: asrs
|
|
|
|
|
|
|
|
|
|
; V6: ldrh
|
|
|
|
|
; V6: sxth
|
|
|
|
|
%tmp.s = load i16* %t0
|
|
|
|
|
%tmp1.s = sext i16 %tmp.s to i32
|
|
|
|
|
ret i32 %tmp1.s
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
define i32 @test5() nounwind {
|
|
|
|
|
; V5: movs r0, #0
|
|
|
|
|
; V5: ldrsh
|
|
|
|
|
|
|
|
|
|
; V6: movs r0, #0
|
|
|
|
|
; V6: ldrsh
|
2009-06-24 06:36:07 +00:00
|
|
|
%tmp.s = load i16* null
|
|
|
|
|
%tmp1.s = sext i16 %tmp.s to i32
|
|
|
|
|
ret i32 %tmp1.s
|
|
|
|
|
}
|
