llvm-6502/test/CodeGen/Hexagon/gp-plus-offset-load.ll
Jyotsna Verma f6563427c4 Hexagon: Use absolute addressing mode loads/stores for global+offset
instead of redefining separate instructions for them.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175086 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-13 21:38:46 +00:00

52 lines
1.7 KiB
LLVM

; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
; Check that we generate load instructions with global + offset
%struct.struc = type { i8, i8, i16, i32 }
@foo = common global %struct.struc zeroinitializer, align 4
define void @loadWord(i32 %val1, i32 %val2, i32* nocapture %ival) nounwind {
; CHECK: r{{[0-9]+}}{{ *}}={{ *}}memw(##foo{{ *}}+{{ *}}4)
entry:
%cmp = icmp sgt i32 %val1, %val2
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
%0 = load i32* getelementptr inbounds (%struct.struc* @foo, i32 0, i32 3), align 4
store i32 %0, i32* %ival, align 4
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @loadByte(i32 %val1, i32 %val2, i8* nocapture %ival) nounwind {
; CHECK: r{{[0-9]+}}{{ *}}={{ *}}memb(##foo{{ *}}+{{ *}}1)
entry:
%cmp = icmp sgt i32 %val1, %val2
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
%0 = load i8* getelementptr inbounds (%struct.struc* @foo, i32 0, i32 1), align 1
store i8 %0, i8* %ival, align 1
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @loadHWord(i32 %val1, i32 %val2, i16* %ival) nounwind {
; CHECK: r{{[0-9]+}}{{ *}}={{ *}}memh(##foo{{ *}}+{{ *}}2)
entry:
%cmp = icmp sgt i32 %val1, %val2
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
%0 = load i16* getelementptr inbounds (%struct.struc* @foo, i32 0, i32 2), align 2
store i16 %0, i16* %ival, align 2
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}