1; RUN: not llc < %s -mtriple=nvptx -mattr=+ptx72 -mcpu=sm_52 2>&1 | FileCheck %s --check-prefixes=CHECK-FAILS 2; RUN: not llc < %s -mtriple=nvptx -mattr=+ptx73 -mcpu=sm_50 2>&1 | FileCheck %s --check-prefixes=CHECK-FAILS 3 4; RUN: llc < %s -mtriple=nvptx -mattr=+ptx73 -mcpu=sm_52 | FileCheck %s --check-prefixes=CHECK,CHECK-32 5; RUN: llc < %s -mtriple=nvptx64 -mattr=+ptx73 -mcpu=sm_52 | FileCheck %s --check-prefixes=CHECK,CHECK-64 6; RUN: %if ptxas && !ptxas-12.0 %{ llc < %s -mtriple=nvptx -mattr=+ptx73 -mcpu=sm_52 | %ptxas-verify %} 7; RUN: %if ptxas %{ llc < %s -mtriple=nvptx64 -mattr=+ptx73 -mcpu=sm_52 | %ptxas-verify %} 8 9; CHECK-FAILS: in function test_dynamic_stackalloc{{.*}}: Support for dynamic alloca introduced in PTX ISA version 7.3 and requires target sm_52. 10 11; CHECK-LABEL: .visible .func (.param .b32 func_retval0) test_dynamic_stackalloc( 12; CHECK-NOT: __local_depot 13 14; CHECK-32: ld.param.u32 %r[[SIZE:[0-9]]], [test_dynamic_stackalloc_param_0]; 15; CHECK-32-NEXT: add.s32 %r[[SIZE2:[0-9]]], %r[[SIZE]], 7; 16; CHECK-32-NEXT: and.b32 %r[[SIZE3:[0-9]]], %r[[SIZE2]], -8; 17; CHECK-32-NEXT: alloca.u32 %r[[ALLOCA:[0-9]]], %r[[SIZE3]], 16; 18; CHECK-32-NEXT: cvta.local.u32 %r[[ALLOCA]], %r[[ALLOCA]]; 19; CHECK-32-NEXT: { // callseq 0, 0 20; CHECK-32-NEXT: .param .b32 param0; 21; CHECK-32-NEXT: st.param.b32 [param0], %r[[ALLOCA]]; 22 23; CHECK-64: ld.param.u64 %rd[[SIZE:[0-9]]], [test_dynamic_stackalloc_param_0]; 24; CHECK-64-NEXT: add.s64 %rd[[SIZE2:[0-9]]], %rd[[SIZE]], 7; 25; CHECK-64-NEXT: and.b64 %rd[[SIZE3:[0-9]]], %rd[[SIZE2]], -8; 26; CHECK-64-NEXT: alloca.u64 %rd[[ALLOCA:[0-9]]], %rd[[SIZE3]], 16; 27; CHECK-64-NEXT: cvta.local.u64 %rd[[ALLOCA]], %rd[[ALLOCA]]; 28; CHECK-64-NEXT: { // callseq 0, 0 29; CHECK-64-NEXT: .param .b64 param0; 30; CHECK-64-NEXT: st.param.b64 [param0], %rd[[ALLOCA]]; 31 32; CHECK-NEXT: .param .b32 retval0; 33; CHECK-NEXT: call.uni (retval0), 34; CHECK-NEXT: bar, 35 36define i32 @test_dynamic_stackalloc(i64 %n) { 37 %alloca = alloca i8, i64 %n, align 16 38 %call = call i32 @bar(ptr %alloca) 39 ret i32 %call 40} 41 42declare i32 @bar(ptr) 43