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60c629d360
https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#dynamic-global-memory-allocation-and-operations Reviewed By: tra Differential Revision: https://reviews.llvm.org/D98606
46 lines
1.1 KiB
LLVM
46 lines
1.1 KiB
LLVM
; RUN: llc < %s -march=nvptx 2>&1 | FileCheck %s
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; Allow to make libcalls that are defined in the current module
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declare i8* @malloc(i64)
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declare void @free(i8*)
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; Underlying libcall declaration
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; CHECK: .visible .func (.param .align 16 .b8 func_retval0[16]) __umodti3
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define i128 @remainder(i128, i128) {
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bb0:
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; CHECK: { // callseq 0, 0
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; CHECK: call.uni (retval0),
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; CHECK-NEXT: __umodti3,
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; CHECK-NEXT: (
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; CHECK-NEXT: param0,
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; CHECK-NEXT: param1
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; CHECK-NEXT: );
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; CHECK-NEXT: ld.param.v2.b64 {%[[REG0:rd[0-9]+]], %[[REG1:rd[0-9]+]]}, [retval0+0];
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; CHECK-NEXT: } // callseq 0
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%a = urem i128 %0, %1
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br label %bb1
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bb1:
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; CHECK-NEXT: st.param.v2.b64 [func_retval0+0], {%[[REG0]], %[[REG1]]};
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; CHECK-NEXT: ret;
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ret i128 %a
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}
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; Underlying libcall definition
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; CHECK: .visible .func (.param .align 16 .b8 func_retval0[16]) __umodti3(
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define i128 @__umodti3(i128, i128) {
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ret i128 0
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}
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define void @malloc_then_free() {
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; CHECK: call.uni (retval0),
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; CHECK: malloc,
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; CHECK: call.uni
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; CHECK: free,
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%a = call i8* @malloc(i64 4)
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store i8 0, i8* %a
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call void @free(i8* %a)
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ret void
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}
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