71 lines
1.5 KiB
LLVM
71 lines
1.5 KiB
LLVM
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; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ALL
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; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ALL
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; FIXME Add tests for thumbv7, they currently fail MI verification because
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; of a mismatch in register classes in uses.
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; This test verifies that load/store instructions are properly generated,
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; and that they pass MI verification (wasn't the case until 2013-06-08).
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@a = global i8 1, align 1
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@b = global i16 2, align 2
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@c = global i32 4, align 4
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; ldr
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define i8 @t1() nounwind uwtable ssp {
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; ALL: @t1
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; ALL: ldrb
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; ALL: add
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%1 = load i8, i8* @a, align 1
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%2 = add nsw i8 %1, 1
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ret i8 %2
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}
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define i16 @t2() nounwind uwtable ssp {
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; ALL: @t2
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; ALL: ldrh
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; ALL: add
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%1 = load i16, i16* @b, align 2
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%2 = add nsw i16 %1, 1
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ret i16 %2
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}
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define i32 @t3() nounwind uwtable ssp {
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; ALL: @t3
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; ALL: ldr
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; ALL: add
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%1 = load i32, i32* @c, align 4
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%2 = add nsw i32 %1, 1
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ret i32 %2
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}
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; str
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define void @t4(i8 %v) nounwind uwtable ssp {
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; ALL: @t4
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; ALL: add
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; ALL: strb
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%1 = add nsw i8 %v, 1
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store i8 %1, i8* @a, align 1
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ret void
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}
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define void @t5(i16 %v) nounwind uwtable ssp {
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; ALL: @t5
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; ALL: add
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; ALL: strh
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%1 = add nsw i16 %v, 1
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store i16 %1, i16* @b, align 2
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ret void
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}
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define void @t6(i32 %v) nounwind uwtable ssp {
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; ALL: @t6
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; ALL: add
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; ALL: str
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%1 = add nsw i32 %v, 1
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store i32 %1, i32* @c, align 4
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ret void
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}
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