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604b5e52e1
Xcore target ABI requires const data that is externally visible to be handled differently if it has C-language linkage rather than C++ language linkage. Clang now emits ".cp.rodata" section information. All other externally visible constant data will be placed in the DP section. llvm-svn: 201144
51 lines
1.0 KiB
LLVM
51 lines
1.0 KiB
LLVM
; RUN: llc < %s -march=xcore | FileCheck %s
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define i32 @load32(i32* %p, i32 %offset) nounwind {
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entry:
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; CHECK-LABEL: load32:
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; CHECK: ldw r0, r0[r1]
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%0 = getelementptr i32* %p, i32 %offset
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%1 = load i32* %0, align 4
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ret i32 %1
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}
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define i32 @load32_imm(i32* %p) nounwind {
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entry:
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; CHECK-LABEL: load32_imm:
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; CHECK: ldw r0, r0[11]
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%0 = getelementptr i32* %p, i32 11
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%1 = load i32* %0, align 4
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ret i32 %1
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}
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define i32 @load16(i16* %p, i32 %offset) nounwind {
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entry:
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; CHECK-LABEL: load16:
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; CHECK: ld16s r0, r0[r1]
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; CHECK-NOT: sext
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%0 = getelementptr i16* %p, i32 %offset
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%1 = load i16* %0, align 2
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%2 = sext i16 %1 to i32
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ret i32 %2
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}
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define i32 @load8(i8* %p, i32 %offset) nounwind {
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entry:
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; CHECK-LABEL: load8:
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; CHECK: ld8u r0, r0[r1]
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; CHECK-NOT: zext
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%0 = getelementptr i8* %p, i32 %offset
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%1 = load i8* %0, align 1
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%2 = zext i8 %1 to i32
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ret i32 %2
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}
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@GConst = internal constant i32 42
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define i32 @load_cp() nounwind {
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entry:
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; CHECK-LABEL: load_cp:
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; CHECK: ldw r0, cp[GConst]
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%0 = load i32* @GConst
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ret i32 %0
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}
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