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-rw-r--r--test/CodeGen/ARM/ssp-data-layout.ll321
1 files changed, 321 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/ssp-data-layout.ll b/test/CodeGen/ARM/ssp-data-layout.ll
index ad4195b519..e7dafac702 100644
--- a/test/CodeGen/ARM/ssp-data-layout.ll
+++ b/test/CodeGen/ARM/ssp-data-layout.ll
@@ -165,6 +165,327 @@ entry:
ret void
}
+define void @layout_sspstrong() sspstrong {
+entry:
+; Expected stack layout for sspstrong is
+; 144 large_nonchar . Group 1, nested arrays,
+; 136 large_char . arrays >= ssp-buffer-size
+; 128 struct_large_char .
+; 96 struct_large_nonchar .
+; 84+8 small_non_char | Group 2, nested arrays,
+; 90 small_char | arrays < ssp-buffer-size
+; 88 struct_small_char |
+; 84 struct_small_nonchar |
+; 80 addrof * Group 3, addr-of local
+; 76 scalar1 + Group 4, everything else
+; 72 scalar2 +
+; 68 scalar3 +
+;
+; CHECK: layout_sspstrong:
+; r[[SP]] is used as an offset into the stack later
+; CHECK: add r[[SP:[0-9]+]], sp, #84
+
+; CHECK: bl get_scalar1
+; CHECK: str r0, [sp, #76]
+; CHECK: bl end_scalar1
+
+; CHECK: bl get_scalar2
+; CHECK: str r0, [sp, #72]
+; CHECK: bl end_scalar2
+
+; CHECK: bl get_scalar3
+; CHECK: str r0, [sp, #68]
+; CHECK: bl end_scalar3
+
+; CHECK: bl get_addrof
+; CHECK: str r0, [sp, #80]
+; CHECK: bl end_addrof
+
+; CHECK: get_small_nonchar
+; CHECK: strh r0, [r[[SP]], #8]
+; CHECK: bl end_small_nonchar
+
+; CHECK: bl get_large_nonchar
+; CHECK: str r0, [sp, #144]
+; CHECK: bl end_large_nonchar
+
+; CHECK: bl get_small_char
+; CHECK: strb r0, [sp, #90]
+; CHECK: bl end_small_char
+
+; CHECK: bl get_large_char
+; CHECK: strb r0, [sp, #136]
+; CHECK: bl end_large_char
+
+; CHECK: bl get_struct_large_char
+; CHECK: strb r0, [sp, #128]
+; CHECK: bl end_struct_large_char
+
+; CHECK: bl get_struct_small_char
+; CHECK: strb r0, [sp, #88]
+; CHECK: bl end_struct_small_char
+
+; CHECK: bl get_struct_large_nonchar
+; CHECK: str r0, [sp, #96]
+; CHECK: bl end_struct_large_nonchar
+
+; CHECK: bl get_struct_small_nonchar
+; CHECK: strh r0, [r[[SP]]]
+; CHECK: bl end_struct_small_nonchar
+ %x = alloca i32, align 4
+ %y = alloca i32, align 4
+ %z = alloca i32, align 4
+ %ptr = alloca i32, align 4
+ %small2 = alloca [2 x i16], align 2
+ %large2 = alloca [8 x i32], align 16
+ %small = alloca [2 x i8], align 1
+ %large = alloca [8 x i8], align 1
+ %a = alloca %struct.struct_large_char, align 1
+ %b = alloca %struct.struct_small_char, align 1
+ %c = alloca %struct.struct_large_nonchar, align 8
+ %d = alloca %struct.struct_small_nonchar, align 2
+ %call = call i32 @get_scalar1()
+ store i32 %call, i32* %x, align 4
+ call void @end_scalar1()
+ %call1 = call i32 @get_scalar2()
+ store i32 %call1, i32* %y, align 4
+ call void @end_scalar2()
+ %call2 = call i32 @get_scalar3()
+ store i32 %call2, i32* %z, align 4
+ call void @end_scalar3()
+ %call3 = call i32 @get_addrof()
+ store i32 %call3, i32* %ptr, align 4
+ call void @end_addrof()
+ %call4 = call signext i16 @get_small_nonchar()
+ %arrayidx = getelementptr inbounds [2 x i16]* %small2, i32 0, i64 0
+ store i16 %call4, i16* %arrayidx, align 2
+ call void @end_small_nonchar()
+ %call5 = call i32 @get_large_nonchar()
+ %arrayidx6 = getelementptr inbounds [8 x i32]* %large2, i32 0, i64 0
+ store i32 %call5, i32* %arrayidx6, align 4
+ call void @end_large_nonchar()
+ %call7 = call signext i8 @get_small_char()
+ %arrayidx8 = getelementptr inbounds [2 x i8]* %small, i32 0, i64 0
+ store i8 %call7, i8* %arrayidx8, align 1
+ call void @end_small_char()
+ %call9 = call signext i8 @get_large_char()
+ %arrayidx10 = getelementptr inbounds [8 x i8]* %large, i32 0, i64 0
+ store i8 %call9, i8* %arrayidx10, align 1
+ call void @end_large_char()
+ %call11 = call signext i8 @get_struct_large_char()
+ %foo = getelementptr inbounds %struct.struct_large_char* %a, i32 0, i32 0
+ %arrayidx12 = getelementptr inbounds [8 x i8]* %foo, i32 0, i64 0
+ store i8 %call11, i8* %arrayidx12, align 1
+ call void @end_struct_large_char()
+ %call13 = call signext i8 @get_struct_small_char()
+ %foo14 = getelementptr inbounds %struct.struct_small_char* %b, i32 0, i32 0
+ %arrayidx15 = getelementptr inbounds [2 x i8]* %foo14, i32 0, i64 0
+ store i8 %call13, i8* %arrayidx15, align 1
+ call void @end_struct_small_char()
+ %call16 = call i32 @get_struct_large_nonchar()
+ %foo17 = getelementptr inbounds %struct.struct_large_nonchar* %c, i32 0, i32 0
+ %arrayidx18 = getelementptr inbounds [8 x i32]* %foo17, i32 0, i64 0
+ store i32 %call16, i32* %arrayidx18, align 4
+ call void @end_struct_large_nonchar()
+ %call19 = call signext i16 @get_struct_small_nonchar()
+ %foo20 = getelementptr inbounds %struct.struct_small_nonchar* %d, i32 0, i32 0
+ %arrayidx21 = getelementptr inbounds [2 x i16]* %foo20, i32 0, i64 0
+ store i16 %call19, i16* %arrayidx21, align 2
+ call void @end_struct_small_nonchar()
+ %arraydecay = getelementptr inbounds [8 x i8]* %large, i32 0, i32 0
+ %arraydecay22 = getelementptr inbounds [2 x i8]* %small, i32 0, i32 0
+ %arraydecay23 = getelementptr inbounds [8 x i32]* %large2, i32 0, i32 0
+ %arraydecay24 = getelementptr inbounds [2 x i16]* %small2, i32 0, i32 0
+ %0 = load i32* %x, align 4
+ %1 = load i32* %y, align 4
+ %2 = load i32* %z, align 4
+ %coerce.dive = getelementptr %struct.struct_large_char* %a, i32 0, i32 0
+ %3 = bitcast [8 x i8]* %coerce.dive to i64*
+ %4 = load i64* %3, align 1
+ %coerce.dive25 = getelementptr %struct.struct_small_char* %b, i32 0, i32 0
+ %5 = bitcast [2 x i8]* %coerce.dive25 to i16*
+ %6 = load i16* %5, align 1
+ %coerce.dive26 = getelementptr %struct.struct_small_nonchar* %d, i32 0, i32 0
+ %7 = bitcast [2 x i16]* %coerce.dive26 to i32*
+ %8 = load i32* %7, align 1
+ call void @takes_all(i64 %4, i16 %6, %struct.struct_large_nonchar* byval align 8 %c, i32 %8, i8* %arraydecay, i8* %arraydecay22, i32* %arraydecay23, i16* %arraydecay24, i32* %ptr, i32 %0, i32 %1, i32 %2)
+ ret void
+}
+
+define void @layout_sspreq() sspreq {
+entry:
+; Expected stack layout for sspreq is the same as sspstrong
+;
+; CHECK: layout_sspreq:
+; r[[SP]] is used as an offset into the stack later
+; CHECK: add r[[SP:[0-9]+]], sp, #84
+
+; CHECK: bl get_scalar1
+; CHECK: str r0, [sp, #76]
+; CHECK: bl end_scalar1
+
+; CHECK: bl get_scalar2
+; CHECK: str r0, [sp, #72]
+; CHECK: bl end_scalar2
+
+; CHECK: bl get_scalar3
+; CHECK: str r0, [sp, #68]
+; CHECK: bl end_scalar3
+
+; CHECK: bl get_addrof
+; CHECK: str r0, [sp, #80]
+; CHECK: bl end_addrof
+
+; CHECK: get_small_nonchar
+; CHECK: strh r0, [r[[SP]], #8]
+; CHECK: bl end_small_nonchar
+
+; CHECK: bl get_large_nonchar
+; CHECK: str r0, [sp, #144]
+; CHECK: bl end_large_nonchar
+
+; CHECK: bl get_small_char
+; CHECK: strb r0, [sp, #90]
+; CHECK: bl end_small_char
+
+; CHECK: bl get_large_char
+; CHECK: strb r0, [sp, #136]
+; CHECK: bl end_large_char
+
+; CHECK: bl get_struct_large_char
+; CHECK: strb r0, [sp, #128]
+; CHECK: bl end_struct_large_char
+
+; CHECK: bl get_struct_small_char
+; CHECK: strb r0, [sp, #88]
+; CHECK: bl end_struct_small_char
+
+; CHECK: bl get_struct_large_nonchar
+; CHECK: str r0, [sp, #96]
+; CHECK: bl end_struct_large_nonchar
+
+; CHECK: bl get_struct_small_nonchar
+; CHECK: strh r0, [r[[SP]]]
+; CHECK: bl end_struct_small_nonchar
+ %x = alloca i32, align 4
+ %y = alloca i32, align 4
+ %z = alloca i32, align 4
+ %ptr = alloca i32, align 4
+ %small2 = alloca [2 x i16], align 2
+ %large2 = alloca [8 x i32], align 16
+ %small = alloca [2 x i8], align 1
+ %large = alloca [8 x i8], align 1
+ %a = alloca %struct.struct_large_char, align 1
+ %b = alloca %struct.struct_small_char, align 1
+ %c = alloca %struct.struct_large_nonchar, align 8
+ %d = alloca %struct.struct_small_nonchar, align 2
+ %call = call i32 @get_scalar1()
+ store i32 %call, i32* %x, align 4
+ call void @end_scalar1()
+ %call1 = call i32 @get_scalar2()
+ store i32 %call1, i32* %y, align 4
+ call void @end_scalar2()
+ %call2 = call i32 @get_scalar3()
+ store i32 %call2, i32* %z, align 4
+ call void @end_scalar3()
+ %call3 = call i32 @get_addrof()
+ store i32 %call3, i32* %ptr, align 4
+ call void @end_addrof()
+ %call4 = call signext i16 @get_small_nonchar()
+ %arrayidx = getelementptr inbounds [2 x i16]* %small2, i32 0, i64 0
+ store i16 %call4, i16* %arrayidx, align 2
+ call void @end_small_nonchar()
+ %call5 = call i32 @get_large_nonchar()
+ %arrayidx6 = getelementptr inbounds [8 x i32]* %large2, i32 0, i64 0
+ store i32 %call5, i32* %arrayidx6, align 4
+ call void @end_large_nonchar()
+ %call7 = call signext i8 @get_small_char()
+ %arrayidx8 = getelementptr inbounds [2 x i8]* %small, i32 0, i64 0
+ store i8 %call7, i8* %arrayidx8, align 1
+ call void @end_small_char()
+ %call9 = call signext i8 @get_large_char()
+ %arrayidx10 = getelementptr inbounds [8 x i8]* %large, i32 0, i64 0
+ store i8 %call9, i8* %arrayidx10, align 1
+ call void @end_large_char()
+ %call11 = call signext i8 @get_struct_large_char()
+ %foo = getelementptr inbounds %struct.struct_large_char* %a, i32 0, i32 0
+ %arrayidx12 = getelementptr inbounds [8 x i8]* %foo, i32 0, i64 0
+ store i8 %call11, i8* %arrayidx12, align 1
+ call void @end_struct_large_char()
+ %call13 = call signext i8 @get_struct_small_char()
+ %foo14 = getelementptr inbounds %struct.struct_small_char* %b, i32 0, i32 0
+ %arrayidx15 = getelementptr inbounds [2 x i8]* %foo14, i32 0, i64 0
+ store i8 %call13, i8* %arrayidx15, align 1
+ call void @end_struct_small_char()
+ %call16 = call i32 @get_struct_large_nonchar()
+ %foo17 = getelementptr inbounds %struct.struct_large_nonchar* %c, i32 0, i32 0
+ %arrayidx18 = getelementptr inbounds [8 x i32]* %foo17, i32 0, i64 0
+ store i32 %call16, i32* %arrayidx18, align 4
+ call void @end_struct_large_nonchar()
+ %call19 = call signext i16 @get_struct_small_nonchar()
+ %foo20 = getelementptr inbounds %struct.struct_small_nonchar* %d, i32 0, i32 0
+ %arrayidx21 = getelementptr inbounds [2 x i16]* %foo20, i32 0, i64 0
+ store i16 %call19, i16* %arrayidx21, align 2
+ call void @end_struct_small_nonchar()
+ %arraydecay = getelementptr inbounds [8 x i8]* %large, i32 0, i32 0
+ %arraydecay22 = getelementptr inbounds [2 x i8]* %small, i32 0, i32 0
+ %arraydecay23 = getelementptr inbounds [8 x i32]* %large2, i32 0, i32 0
+ %arraydecay24 = getelementptr inbounds [2 x i16]* %small2, i32 0, i32 0
+ %0 = load i32* %x, align 4
+ %1 = load i32* %y, align 4
+ %2 = load i32* %z, align 4
+ %coerce.dive = getelementptr %struct.struct_large_char* %a, i32 0, i32 0
+ %3 = bitcast [8 x i8]* %coerce.dive to i64*
+ %4 = load i64* %3, align 1
+ %coerce.dive25 = getelementptr %struct.struct_small_char* %b, i32 0, i32 0
+ %5 = bitcast [2 x i8]* %coerce.dive25 to i16*
+ %6 = load i16* %5, align 1
+ %coerce.dive26 = getelementptr %struct.struct_small_nonchar* %d, i32 0, i32 0
+ %7 = bitcast [2 x i16]* %coerce.dive26 to i32*
+ %8 = load i32* %7, align 1
+ call void @takes_all(i64 %4, i16 %6, %struct.struct_large_nonchar* byval align 8 %c, i32 %8, i8* %arraydecay, i8* %arraydecay22, i32* %arraydecay23, i16* %arraydecay24, i32* %ptr, i32 %0, i32 %1, i32 %2)
+ ret void
+}
+
+define void @struct_with_protectable_arrays() sspstrong {
+entry:
+; Check to ensure that a structure which contains a small array followed by a
+; large array is assigned to the stack properly as a large object.
+; CHECK: struct_with_protectable_arrays:
+; CHECK: bl get_struct_small_char
+; CHECK: strb r0, [sp, #68]
+; CHECK: bl end_struct_small_char
+; CHECK: bl get_struct_large_char2
+; CHECK: strb r0, [sp, #106]
+; CHECK: bl end_struct_large_char2
+ %a = alloca %struct.struct_small_char, align 1
+ %b = alloca %struct.struct_large_char2, align 1
+ %d1 = alloca %struct.struct_large_nonchar, align 8
+ %d2 = alloca %struct.struct_small_nonchar, align 2
+ %call = call signext i8 @get_struct_small_char()
+ %foo = getelementptr inbounds %struct.struct_small_char* %a, i32 0, i32 0
+ %arrayidx = getelementptr inbounds [2 x i8]* %foo, i32 0, i64 0
+ store i8 %call, i8* %arrayidx, align 1
+ call void @end_struct_small_char()
+ %call1 = call signext i8 @get_struct_large_char2()
+ %foo2 = getelementptr inbounds %struct.struct_large_char2* %b, i32 0, i32 1
+ %arrayidx3 = getelementptr inbounds [8 x i8]* %foo2, i32 0, i64 0
+ store i8 %call1, i8* %arrayidx3, align 1
+ call void @end_struct_large_char2()
+ %0 = bitcast %struct.struct_large_char2* %b to %struct.struct_large_char*
+ %coerce.dive = getelementptr %struct.struct_large_char* %0, i32 0, i32 0
+ %1 = bitcast [8 x i8]* %coerce.dive to i64*
+ %2 = load i64* %1, align 1
+ %coerce.dive4 = getelementptr %struct.struct_small_char* %a, i32 0, i32 0
+ %3 = bitcast [2 x i8]* %coerce.dive4 to i16*
+ %4 = load i16* %3, align 1
+ %coerce.dive5 = getelementptr %struct.struct_small_nonchar* %d2, i32 0, i32 0
+ %5 = bitcast [2 x i16]* %coerce.dive5 to i32*
+ %6 = load i32* %5, align 1
+ call void @takes_all(i64 %2, i16 %4, %struct.struct_large_nonchar* byval align 8 %d1, i32 %6, i8* null, i8* null, i32* null, i16* null, i32* null, i32 0, i32 0, i32 0)
+ ret void
+}
+
declare i32 @get_scalar1()
declare void @end_scalar1()
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-07 07:00:06 +0000