; ModuleID = 'basic.c' target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32" target triple = "i386-unknown-linux-gnu" ; Verify all the passes run on this ;RUN: dsaopt %s -dsa-local -disable-output ;RUN: dsaopt %s -dsa-bu -disable-output ;RUN: dsaopt %s -dsa-td -disable-output ;RUN: dsaopt %s -dsa-eq -disable-output ;=== Local Tests === ; Verify VAStart flag ;RUN: dsaopt %s -dsa-local -analyze -verify-flags "get:ap+V" ; Don't propagate the VAStart flag to children... ;RUN: dsaopt %s -dsa-local -analyze -verify-flags "get:ap:0-V" ; On 32-bit, VAStart node should point to an array of the arguments ;RUN: dsaopt %s -dsa-local -analyze -check-type=get:ap:0,FoldedVOID ; And the argument node should be of the proper type (in this case an i32) ;RUN: dsaopt %s -dsa-local -analyze -check-type=get:ap:0:0,0:i32 ; The argument should be ref'd, but not mod'd ;RUN: dsaopt %s -dsa-local -analyze --verify-flags "get:ap:0:0+R-M" define internal i32 @get(i32 %unused, ...) nounwind { entry: %unused_addr = alloca i32 ; [#uses=1] %retval = alloca i32 ; [#uses=2] %0 = alloca i32 ; [#uses=2] %ap.0 = alloca i8* ; [#uses=3] %ap = alloca i8* ; [#uses=4] %val = alloca i32* ; [#uses=2] %"alloca point" = bitcast i32 0 to i32 ; [#uses=0] store i32 %unused, i32* %unused_addr %ap1 = bitcast i8** %ap to i8* ; [#uses=1] call void @llvm.va_start(i8* %ap1) %1 = load i8*, i8** %ap, align 4 ; [#uses=1] store i8* %1, i8** %ap.0, align 4 %2 = load i8*, i8** %ap.0, align 4 ; [#uses=1] %3 = getelementptr inbounds i8, i8* %2, i64 4 ; [#uses=1] store i8* %3, i8** %ap, align 4 %4 = load i8*, i8** %ap.0, align 4 ; [#uses=1] %5 = bitcast i8* %4 to i32** ; [#uses=1] %6 = load i32*, i32** %5, align 4 ; [#uses=1] store i32* %6, i32** %val, align 4 %ap2 = bitcast i8** %ap to i8* ; [#uses=1] call void @llvm.va_end(i8* %ap2) %7 = load i32*, i32** %val, align 4 ; [#uses=1] %8 = load i32, i32* %7, align 4 ; [#uses=1] store i32 %8, i32* %0, align 4 %9 = load i32, i32* %0, align 4 ; [#uses=1] store i32 %9, i32* %retval, align 4 br label %return return: ; preds = %entry %retval3 = load i32, i32* %retval ; [#uses=1] ret i32 %retval3 } declare void @llvm.va_start(i8*) nounwind declare void @llvm.va_end(i8*) nounwind define i32 @main() nounwind { entry: %retval = alloca i32 ; [#uses=2] %0 = alloca i32 ; [#uses=2] %stack_val = alloca i32 ; [#uses=2] %ret = alloca i32 ; [#uses=2] %"alloca point" = bitcast i32 0 to i32 ; [#uses=0] store i32 5, i32* %stack_val, align 4 %1 = call i32 (i32, ...) @get(i32 0, i32* %stack_val) nounwind ; [#uses=1] store i32 %1, i32* %ret, align 4 %2 = load i32, i32* %ret, align 4 ; [#uses=1] %3 = sub nsw i32 %2, 5 ; [#uses=1] store i32 %3, i32* %0, align 4 %4 = load i32, i32* %0, align 4 ; [#uses=1] store i32 %4, i32* %retval, align 4 br label %return return: ; preds = %entry %retval1 = load i32, i32* %retval ; [#uses=1] ret i32 %retval1 }