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| ; RUN: llc < %s -mtriple=armv8-apple-darwin | FileCheck %s
; RUN: llc < %s -mtriple=thumbv8-apple-darwin | FileCheck %s
%0 = type { i32, i32 }
; CHECK-LABEL: f0:
; CHECK: ldaexd
define i64 @f0(i8* %p) nounwind readonly {
entry:
%ldaexd = tail call %0 @llvm.arm.ldaexd(i8* %p)
%0 = extractvalue %0 %ldaexd, 1
%1 = extractvalue %0 %ldaexd, 0
%2 = zext i32 %0 to i64
%3 = zext i32 %1 to i64
%shl = shl nuw i64 %2, 32
%4 = or i64 %shl, %3
ret i64 %4
}
; CHECK-LABEL: f1:
; CHECK: stlexd
define i32 @f1(i8* %ptr, i64 %val) nounwind {
entry:
%tmp4 = trunc i64 %val to i32
%tmp6 = lshr i64 %val, 32
%tmp7 = trunc i64 %tmp6 to i32
%stlexd = tail call i32 @llvm.arm.stlexd(i32 %tmp4, i32 %tmp7, i8* %ptr)
ret i32 %stlexd
}
declare %0 @llvm.arm.ldaexd(i8*) nounwind readonly
declare i32 @llvm.arm.stlexd(i32, i32, i8*) nounwind
; CHECK-LABEL: test_load_i8:
; CHECK: ldaexb r0, [r0]
; CHECK-NOT: uxtb
; CHECK-NOT: and
define zeroext i8 @test_load_i8(i8* %addr) {
%val = call i32 @llvm.arm.ldaex.p0i8(i8* %addr)
%val8 = trunc i32 %val to i8
ret i8 %val8
}
; CHECK-LABEL: test_load_i16:
; CHECK: ldaexh r0, [r0]
; CHECK-NOT: uxth
; CHECK-NOT: and
define zeroext i16 @test_load_i16(i16* %addr) {
%val = call i32 @llvm.arm.ldaex.p0i16(i16* %addr)
%val16 = trunc i32 %val to i16
ret i16 %val16
}
; CHECK-LABEL: test_load_i32:
; CHECK: ldaex r0, [r0]
define i32 @test_load_i32(i32* %addr) {
%val = call i32 @llvm.arm.ldaex.p0i32(i32* %addr)
ret i32 %val
}
declare i32 @llvm.arm.ldaex.p0i8(i8*) nounwind readonly
declare i32 @llvm.arm.ldaex.p0i16(i16*) nounwind readonly
declare i32 @llvm.arm.ldaex.p0i32(i32*) nounwind readonly
; CHECK-LABEL: test_store_i8:
; CHECK-NOT: uxtb
; CHECK: stlexb r0, r1, [r2]
define i32 @test_store_i8(i32, i8 %val, i8* %addr) {
%extval = zext i8 %val to i32
%res = call i32 @llvm.arm.stlex.p0i8(i32 %extval, i8* %addr)
ret i32 %res
}
; CHECK-LABEL: test_store_i16:
; CHECK-NOT: uxth
; CHECK: stlexh r0, r1, [r2]
define i32 @test_store_i16(i32, i16 %val, i16* %addr) {
%extval = zext i16 %val to i32
%res = call i32 @llvm.arm.stlex.p0i16(i32 %extval, i16* %addr)
ret i32 %res
}
; CHECK-LABEL: test_store_i32:
; CHECK: stlex r0, r1, [r2]
define i32 @test_store_i32(i32, i32 %val, i32* %addr) {
%res = call i32 @llvm.arm.stlex.p0i32(i32 %val, i32* %addr)
ret i32 %res
}
declare i32 @llvm.arm.stlex.p0i8(i32, i8*) nounwind
declare i32 @llvm.arm.stlex.p0i16(i32, i16*) nounwind
declare i32 @llvm.arm.stlex.p0i32(i32, i32*) nounwind
|