| ; Test if we can read alloca instructions. | |
| ; RUN: %p2i -i %s --insts | FileCheck %s | |
| ; RUN: %p2i -i %s --args -notranslate -timing | \ | |
| ; RUN: FileCheck --check-prefix=NOIR %s | |
| ; Show examples where size is defined by a constant. | |
| define internal i32 @AllocaA0Size1() { | |
| entry: | |
| %array = alloca i8, i32 1 | |
| %addr = ptrtoint i8* %array to i32 | |
| ret i32 %addr | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %array = alloca i8, i32 1 | |
| ; CHECK-NEXT: ret i32 %array | |
| } | |
| define internal i32 @AllocaA0Size2() { | |
| entry: | |
| %array = alloca i8, i32 2 | |
| %addr = ptrtoint i8* %array to i32 | |
| ret i32 %addr | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %array = alloca i8, i32 2 | |
| ; CHECK-NEXT: ret i32 %array | |
| } | |
| define internal i32 @AllocaA0Size3() { | |
| entry: | |
| %array = alloca i8, i32 3 | |
| %addr = ptrtoint i8* %array to i32 | |
| ret i32 %addr | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %array = alloca i8, i32 3 | |
| ; CHECK-NEXT: ret i32 %array | |
| } | |
| define internal i32 @AllocaA0Size4() { | |
| entry: | |
| %array = alloca i8, i32 4 | |
| %addr = ptrtoint i8* %array to i32 | |
| ret i32 %addr | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %array = alloca i8, i32 4 | |
| ; CHECK-NEXT: ret i32 %array | |
| } | |
| define internal i32 @AllocaA1Size4(i32 %n) { | |
| entry: | |
| %array = alloca i8, i32 4, align 1 | |
| %addr = ptrtoint i8* %array to i32 | |
| ret i32 %addr | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %array = alloca i8, i32 4, align 1 | |
| ; CHECK-NEXT: ret i32 %array | |
| } | |
| define internal i32 @AllocaA2Size4(i32 %n) { | |
| entry: | |
| %array = alloca i8, i32 4, align 2 | |
| %addr = ptrtoint i8* %array to i32 | |
| ret i32 %addr | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %array = alloca i8, i32 4, align 2 | |
| ; CHECK-NEXT: ret i32 %array | |
| } | |
| define internal i32 @AllocaA8Size4(i32 %n) { | |
| entry: | |
| %array = alloca i8, i32 4, align 8 | |
| %addr = ptrtoint i8* %array to i32 | |
| ret i32 %addr | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %array = alloca i8, i32 4, align 8 | |
| ; CHECK-NEXT: ret i32 %array | |
| } | |
| define internal i32 @Alloca16Size4(i32 %n) { | |
| entry: | |
| %array = alloca i8, i32 4, align 16 | |
| %addr = ptrtoint i8* %array to i32 | |
| ret i32 %addr | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %array = alloca i8, i32 4, align 16 | |
| ; CHECK-NEXT: ret i32 %array | |
| } | |
| ; Show examples where size is not known at compile time. | |
| define internal i32 @AllocaVarsizeA0(i32 %n) { | |
| entry: | |
| %array = alloca i8, i32 %n | |
| %addr = ptrtoint i8* %array to i32 | |
| ret i32 %addr | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %array = alloca i8, i32 %n | |
| ; CHECK-NEXT: ret i32 %array | |
| } | |
| define internal i32 @AllocaVarsizeA1(i32 %n) { | |
| entry: | |
| %array = alloca i8, i32 %n, align 1 | |
| %addr = ptrtoint i8* %array to i32 | |
| ret i32 %addr | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %array = alloca i8, i32 %n, align 1 | |
| ; CHECK-NEXT: ret i32 %array | |
| } | |
| define internal i32 @AllocaVarsizeA2(i32 %n) { | |
| entry: | |
| %array = alloca i8, i32 %n, align 2 | |
| %addr = ptrtoint i8* %array to i32 | |
| ret i32 %addr | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %array = alloca i8, i32 %n, align 2 | |
| ; CHECK-NEXT: ret i32 %array | |
| } | |
| define internal i32 @AllocaVarsizeA4(i32 %n) { | |
| entry: | |
| %array = alloca i8, i32 %n, align 4 | |
| %addr = ptrtoint i8* %array to i32 | |
| ret i32 %addr | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %array = alloca i8, i32 %n, align 4 | |
| ; CHECK-NEXT: ret i32 %array | |
| } | |
| define internal i32 @AllocaVarsizeA8(i32 %n) { | |
| entry: | |
| %array = alloca i8, i32 %n, align 8 | |
| %addr = ptrtoint i8* %array to i32 | |
| ret i32 %addr | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %array = alloca i8, i32 %n, align 8 | |
| ; CHECK-NEXT: ret i32 %array | |
| } | |
| define internal i32 @AllocaVarsizeA16(i32 %n) { | |
| entry: | |
| %array = alloca i8, i32 %n, align 16 | |
| %addr = ptrtoint i8* %array to i32 | |
| ret i32 %addr | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %array = alloca i8, i32 %n, align 16 | |
| ; CHECK-NEXT: ret i32 %array | |
| } | |
| ; NOIR: Total across all functions |