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TheRock/compiler/amd-llvm/llvm/test/CodeGen/ARM/fast-isel-load-store-verify.ll
derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

71 lines
1.5 KiB
LLVM

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