; Test for insertion of redzones around local variables ; REQUIRES: allow_dump ; RUN: %p2i -i %s --args -verbose=inst -threads=0 -fsanitize-address \ ; RUN: -allow-externally-defined-symbols | FileCheck --check-prefix=DUMP %s ; Function with local variables to be instrumented define internal void @func() { %local1 = alloca i8, i32 4, align 4 %local2 = alloca i8, i32 32, align 1 %local3 = alloca i8, i32 13, align 2 %local4 = alloca i8, i32 75, align 4 %local5 = alloca i8, i32 64, align 8 %i1 = ptrtoint i8* %local1 to i32 %i2 = ptrtoint i8* %local2 to i32 %i3 = ptrtoint i8* %local3 to i32 %i4 = ptrtoint i8* %local4 to i32 %i5 = ptrtoint i8* %local5 to i32 call void @foo(i32 %i1) call void @foo(i32 %i2) call void @foo(i32 %i3) call void @foo(i32 %i4) call void @foo(i32 %i5) ret void } declare external void @foo(i32) ; DUMP-LABEL: ================ Instrumented CFG ================ ; DUMP-NEXT: define internal void @func() { ; DUMP-NEXT: __0: ; DUMP-NEXT: %__$rz0 = alloca i8, i32 32, align 8 ; DUMP-NEXT: %local1 = alloca i8, i32 64, align 8 ; DUMP-NEXT: %local2 = alloca i8, i32 64, align 8 ; DUMP-NEXT: %local3 = alloca i8, i32 64, align 8 ; DUMP-NEXT: %local4 = alloca i8, i32 128, align 8 ; DUMP-NEXT: %local5 = alloca i8, i32 96, align 8 ; DUMP-NEXT: %shadowIndex = lshr i32 %__$rz0, 3 ; DUMP-NEXT: %firstShadowLoc = add i32 %shadowIndex, 536870912 ; DUMP-NEXT: %__8 = add i32 %firstShadowLoc, 0 ; DUMP-NEXT: store i32 -1, i32* %__8, align 1 ; DUMP-NEXT: %__9 = add i32 %firstShadowLoc, 4 ; DUMP-NEXT: store i32 -252, i32* %__9, align 1 ; DUMP-NEXT: %__10 = add i32 %firstShadowLoc, 8 ; DUMP-NEXT: store i32 -1, i32* %__10, align 1 ; DUMP-NEXT: %__11 = add i32 %firstShadowLoc, 16 ; DUMP-NEXT: store i32 -1, i32* %__11, align 1 ; DUMP-NEXT: %__12 = add i32 %firstShadowLoc, 20 ; DUMP-NEXT: store i32 -64256, i32* %__12, align 1 ; DUMP-NEXT: %__13 = add i32 %firstShadowLoc, 24 ; DUMP-NEXT: store i32 -1, i32* %__13, align 1 ; DUMP-NEXT: %__14 = add i32 %firstShadowLoc, 36 ; DUMP-NEXT: store i32 -64768, i32* %__14, align 1 ; DUMP-NEXT: %__15 = add i32 %firstShadowLoc, 40 ; DUMP-NEXT: store i32 -1, i32* %__15, align 1 ; DUMP-NEXT: %__16 = add i32 %firstShadowLoc, 52 ; DUMP-NEXT: store i32 -1, i32* %__16, align 1 ; DUMP-NEXT: call void @foo(i32 %local1) ; DUMP-NEXT: call void @foo(i32 %local2) ; DUMP-NEXT: call void @foo(i32 %local3) ; DUMP-NEXT: call void @foo(i32 %local4) ; DUMP-NEXT: call void @foo(i32 %local5) ; DUMP-NEXT: store i32 0, i32* %__8, align 1 ; DUMP-NEXT: store i32 0, i32* %__9, align 1 ; DUMP-NEXT: store i32 0, i32* %__10, align 1 ; DUMP-NEXT: store i32 0, i32* %__11, align 1 ; DUMP-NEXT: store i32 0, i32* %__12, align 1 ; DUMP-NEXT: store i32 0, i32* %__13, align 1 ; DUMP-NEXT: store i32 0, i32* %__14, align 1 ; DUMP-NEXT: store i32 0, i32* %__15, align 1 ; DUMP-NEXT: store i32 0, i32* %__16, align 1 ; DUMP-NEXT: ret void ; DUMP-NEXT: }