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llvm-mirror/test/CodeGen/ARM/ldr_ext.ll
2009-09-09 00:09:15 +00:00

38 lines
752 B
LLVM

; RUN: llc < %s -march=arm | FileCheck %s
define i32 @test1(i8* %t1) nounwind {
; CHECK: ldrb
%tmp.u = load i8* %t1
%tmp1.s = zext i8 %tmp.u to i32
ret i32 %tmp1.s
}
define i32 @test2(i16* %t1) nounwind {
; CHECK: ldrh
%tmp.u = load i16* %t1
%tmp1.s = zext i16 %tmp.u to i32
ret i32 %tmp1.s
}
define i32 @test3(i8* %t0) nounwind {
; CHECK: ldrsb
%tmp.s = load i8* %t0
%tmp1.s = sext i8 %tmp.s to i32
ret i32 %tmp1.s
}
define i32 @test4(i16* %t0) nounwind {
; CHECK: ldrsh
%tmp.s = load i16* %t0
%tmp1.s = sext i16 %tmp.s to i32
ret i32 %tmp1.s
}
define i32 @test5() nounwind {
; CHECK: mov r0, #0
; CHECK: ldrsh
%tmp.s = load i16* null
%tmp1.s = sext i16 %tmp.s to i32
ret i32 %tmp1.s
}