[llvm] 689207e - AMDGPU: Some printf call edge case tests

[Matt Arsenault via llvm-commits]

Author: Matt Arsenault
Date: 2023-01-13T12:32:04-05:00
New Revision: 689207e7edc9f2c6e48c611d9a12156c6d398aa3

URL: https://github.com/llvm/llvm-project/commit/689207e7edc9f2c6e48c611d9a12156c6d398aa3
DIFF: https://github.com/llvm/llvm-project/commit/689207e7edc9f2c6e48c611d9a12156c6d398aa3.diff

LOG: AMDGPU: Some printf call edge case tests

Check printf printing printf, and printf passed to a function.

Added: 
    

Modified: 
    llvm/test/CodeGen/AMDGPU/opencl-printf.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/AMDGPU/opencl-printf.ll b/llvm/test/CodeGen/AMDGPU/opencl-printf.ll
index b3c0870c4f7b..492cc757c4ba 100644
--- a/llvm/test/CodeGen/AMDGPU/opencl-printf.ll
+++ b/llvm/test/CodeGen/AMDGPU/opencl-printf.ll
@@ -43,6 +43,7 @@
 @format.str.v8 = private unnamed_addr addrspace(4) constant [35 x i8] c"%v8f %v8f %v8d %v8d %v8p %v8p %v8f\00", align 1
 @format.str.v16 = private unnamed_addr addrspace(4) constant [42 x i8] c"%v16f %v16f %v16d %v16d %v16p %v16p %v16f\00", align 1
 @format.str.u = private unnamed_addr addrspace(4) constant [30 x i8] c"%u %u %u %u %u %u %u %u %u %u\00", align 1
+ at format.str.one.ptr = private unnamed_addr addrspace(4) constant [8 x i8] c"arst %p\00", align 1
 
 
 define amdgpu_kernel void @format_str_f(float %f32.0, double %f64, float %f32.1, i16 %i16, i32 %i32, i64 %i64, half %f16) {
@@ -1981,4 +1982,45 @@ entry:
   ret void
 }
 
+declare void @func(ptr)
+
+define void @not_call_operand_printf() {
+; R600-LABEL: @not_call_operand_printf(
+; R600-NEXT:    call void @func(ptr @printf)
+; R600-NEXT:    ret void
+;
+; GCN-LABEL: @not_call_operand_printf(
+; GCN-NEXT:    call void @func(ptr @printf)
+; GCN-NEXT:    ret void
+;
+  call void @func(ptr @printf)
+  ret void
+}
+
+define void @printf_printf(i32 %n) {
+; R600-LABEL: @printf_printf(
+; R600-NEXT:    [[CALL:%.*]] = call i32 @printf(ptr addrspace(4) @format.str.one.ptr, ptr @printf)
+; R600-NEXT:    ret void
+;
+; GCN-LABEL: @printf_printf(
+; GCN-NEXT:    [[PRINTF_ALLOC_FN:%.*]] = call ptr addrspace(1) @__printf_alloc(i32 12)
+; GCN-NEXT:    br label [[DOTSPLIT:%.*]]
+; GCN:       .split:
+; GCN-NEXT:    [[TMP1:%.*]] = icmp ne ptr addrspace(1) [[PRINTF_ALLOC_FN]], null
+; GCN-NEXT:    br i1 [[TMP1]], label [[TMP2:%.*]], label [[TMP3:%.*]]
+; GCN:       2:
+; GCN-NEXT:    [[PRINTBUFFID:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTF_ALLOC_FN]], i32 0
+; GCN-NEXT:    [[PRINTBUFFIDCAST:%.*]] = bitcast ptr addrspace(1) [[PRINTBUFFID]] to ptr addrspace(1)
+; GCN-NEXT:    store i32 50, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
+; GCN-NEXT:    [[PRINTBUFFGEP:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTF_ALLOC_FN]], i32 4
+; GCN-NEXT:    [[PRINTBUFFPTRCAST:%.*]] = bitcast ptr addrspace(1) [[PRINTBUFFGEP]] to ptr addrspace(1)
+; GCN-NEXT:    store ptr @printf, ptr addrspace(1) [[PRINTBUFFPTRCAST]], align 8
+; GCN-NEXT:    br label [[TMP3]]
+; GCN:       3:
+; GCN-NEXT:    ret void
+;
+  %call = call i32 @printf(ptr addrspace(4) @format.str.one.ptr, ptr @printf)
+  ret void
+}
+
 declare i32 @printf(ptr addrspace(4), ...)