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llvm-mirror/test/CodeGen/Hexagon/combine_ir.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

46 lines
1014 B
LLVM

; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
; CHECK: word
; CHECK: combine(#0
define void @word(i32* nocapture %a) nounwind {
entry:
%0 = load i32* %a, align 4
%1 = zext i32 %0 to i64
tail call void @bar(i64 %1) nounwind
ret void
}
declare void @bar(i64)
; CHECK: halfword
; CHECK: combine(#0
define void @halfword(i16* nocapture %a) nounwind {
entry:
%0 = load i16* %a, align 2
%1 = zext i16 %0 to i64
%add.ptr = getelementptr inbounds i16* %a, i32 1
%2 = load i16* %add.ptr, align 2
%3 = zext i16 %2 to i64
%4 = shl nuw nsw i64 %3, 16
%ins = or i64 %4, %1
tail call void @bar(i64 %ins) nounwind
ret void
}
; CHECK: byte
; CHECK: combine(#0
define void @byte(i8* nocapture %a) nounwind {
entry:
%0 = load i8* %a, align 1
%1 = zext i8 %0 to i64
%add.ptr = getelementptr inbounds i8* %a, i32 1
%2 = load i8* %add.ptr, align 1
%3 = zext i8 %2 to i64
%4 = shl nuw nsw i64 %3, 8
%ins = or i64 %4, %1
tail call void @bar(i64 %ins) nounwind
ret void
}