[llvm] [AMDGPU] Support 'F' and 'A' conversion specifiers with ocl printf (PR #148784)

via llvm-commits llvm-commits at lists.llvm.org
Mon Jul 14 23:36:48 PDT 2025


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Vikram Hegde (vikramRH)

<details>
<summary>Changes</summary>

Runtime support in progress downstream..

---

Patch is 54.74 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/148784.diff


2 Files Affected:

- (modified) llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp (+1-1) 
- (modified) llvm/test/CodeGen/AMDGPU/opencl-printf.ll (+213-57) 


``````````diff
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp b/llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp
index 7a2a7fc250e27..f5e14c71b02d9 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp
@@ -88,7 +88,7 @@ void AMDGPUPrintfRuntimeBindingImpl::getConversionSpecifiers(
   // are %p and %s, which use to know if we
   // are either storing a literal string or a
   // pointer to the printf buffer.
-  static const char ConvSpecifiers[] = "cdieEfgGaosuxXp";
+  static const char ConvSpecifiers[] = "cdieEfFgGaAosuxXp";
   size_t CurFmtSpecifierIdx = 0;
   size_t PrevFmtSpecifierIdx = 0;
 
diff --git a/llvm/test/CodeGen/AMDGPU/opencl-printf.ll b/llvm/test/CodeGen/AMDGPU/opencl-printf.ll
index 4459011742687..c529d5dde0d73 100644
--- a/llvm/test/CodeGen/AMDGPU/opencl-printf.ll
+++ b/llvm/test/CodeGen/AMDGPU/opencl-printf.ll
@@ -38,6 +38,9 @@
 @printed.str.ptr.null = private addrspace(4) constant ptr null, align 4
 @printed.str.ptr.undef = private addrspace(4) constant ptr poison, align 4
 @format.str.f = private unnamed_addr addrspace(4) constant [33 x i8] c"%f %f %f %f %f %f %f %f %f %f %f\00", align 1
+ at format.str.F = private unnamed_addr addrspace(4) constant [33 x i8] c"%F %F %F %F %F %F %F %F %F %F %F\00", align 1
+ at format.str.a = private unnamed_addr addrspace(4) constant [33 x i8] c"%a %a %a %a %a %a %a %a %a %a %a\00", align 1
+ at format.str.A = private unnamed_addr addrspace(4) constant [33 x i8] c"%A %A %A %A %A %A %A %A %A %A %A\00", align 1
 @format.str.p = private unnamed_addr addrspace(4) constant [15 x i8] c"%p %p %p %p %p\00", align 1
 @format.str.d = private unnamed_addr addrspace(4) constant [30 x i8] c"%d %d %d %d %d %d %d %d %d %d\00", align 1
 
@@ -102,6 +105,159 @@ define amdgpu_kernel void @format_str_f(float %f32.0, double %f64, float %f32.1,
   ret void
 }
 
+define amdgpu_kernel void @format_str_F(float %f32.0, double %f64, float %f32.1, i16 %i16, i32 %i32, i64 %i64, half %f16) {
+; R600-LABEL: @format_str_F(
+; R600-NEXT:    [[FPEXT_F32_TO_F64:%.*]] = fpext float [[F32_1:%.*]] to double
+; R600-NEXT:    [[CALL1:%.*]] = call i32 @printf(ptr addrspace(4) @format.str.F, float [[F32_0:%.*]], double [[F64:%.*]], double [[FPEXT_F32_TO_F64]], float 1.000000e+00, double 2.000000e+00, i16 [[I16:%.*]], i32 [[I32:%.*]], i64 [[I64:%.*]], <2 x float> <float 1.000000e+00, float 2.000000e+00>, <2 x i32> <i32 8, i32 234>, half [[F16:%.*]])
+; R600-NEXT:    ret void
+;
+; GCN-LABEL: @format_str_F(
+; GCN-NEXT:    [[FPEXT_F32_TO_F64:%.*]] = fpext float [[F32_1:%.*]] to double
+; GCN-NEXT:    [[TMP4:%.*]] = sext i16 [[I16:%.*]] to i32
+; GCN-NEXT:    [[TMP5:%.*]] = bitcast half [[F16:%.*]] to i16
+; GCN-NEXT:    [[TMP6:%.*]] = sext i16 [[TMP5]] to i32
+; GCN-NEXT:    [[PRINTF_ALLOC_FN:%.*]] = call ptr addrspace(1) @__printf_alloc(i32 72)
+; 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:       5:
+; 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 2, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
+; GCN-NEXT:    [[PRINTBUFFGEP:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTF_ALLOC_FN]], i32 4
+; GCN-NEXT:    store float [[F32_0:%.*]], ptr addrspace(1) [[PRINTBUFFGEP]], align 4
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFGEP]], i32 4
+; GCN-NEXT:    store double [[F64:%.*]], ptr addrspace(1) [[PRINTBUFFNEXTPTR]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR1:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR]], i32 8
+; GCN-NEXT:    store double [[FPEXT_F32_TO_F64]], ptr addrspace(1) [[PRINTBUFFNEXTPTR1]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR2:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR1]], i32 8
+; GCN-NEXT:    store float 1.000000e+00, ptr addrspace(1) [[PRINTBUFFNEXTPTR2]], align 4
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR3:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR2]], i32 4
+; GCN-NEXT:    store double 2.000000e+00, ptr addrspace(1) [[PRINTBUFFNEXTPTR3]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR4:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR3]], i32 8
+; GCN-NEXT:    store i32 [[TMP4]], ptr addrspace(1) [[PRINTBUFFNEXTPTR4]], align 4
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR5:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR4]], i32 4
+; GCN-NEXT:    store i32 [[I32:%.*]], ptr addrspace(1) [[PRINTBUFFNEXTPTR5]], align 4
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR6:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR5]], i32 4
+; GCN-NEXT:    store i64 [[I64:%.*]], ptr addrspace(1) [[PRINTBUFFNEXTPTR6]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR7:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR6]], i32 8
+; GCN-NEXT:    store <2 x float> <float 1.000000e+00, float 2.000000e+00>, ptr addrspace(1) [[PRINTBUFFNEXTPTR7]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR8:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR7]], i32 8
+; GCN-NEXT:    store <2 x i32> <i32 8, i32 234>, ptr addrspace(1) [[PRINTBUFFNEXTPTR8]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR9:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR8]], i32 8
+; GCN-NEXT:    store i32 [[TMP6]], ptr addrspace(1) [[PRINTBUFFNEXTPTR9]], align 4
+; GCN-NEXT:    br label [[TMP3]]
+; GCN:       6:
+; GCN-NEXT:    ret void
+;
+  %fpext.f32.to.f64 = fpext float %f32.1 to double
+  %call1 = call i32 @printf(ptr addrspace(4) @format.str.F, float %f32.0, double %f64, double %fpext.f32.to.f64, float 1.0, double 2.0, i16 %i16, i32 %i32, i64 %i64, <2 x float> <float 1.0, float 2.0>, <2 x i32> <i32 8, i32 234>, half %f16)
+  ret void
+}
+
+define amdgpu_kernel void @format_str_a(float %f32.0, double %f64, float %f32.1, i16 %i16, i32 %i32, i64 %i64, half %f16) {
+; R600-LABEL: @format_str_a(
+; R600-NEXT:    [[FPEXT_F32_TO_F64:%.*]] = fpext float [[F32_1:%.*]] to double
+; R600-NEXT:    [[CALL1:%.*]] = call i32 @printf(ptr addrspace(4) @format.str.a, float [[F32_0:%.*]], double [[F64:%.*]], double [[FPEXT_F32_TO_F64]], float 1.000000e+00, double 2.000000e+00, i16 [[I16:%.*]], i32 [[I32:%.*]], i64 [[I64:%.*]], <2 x float> <float 1.000000e+00, float 2.000000e+00>, <2 x i32> <i32 8, i32 234>, half [[F16:%.*]])
+; R600-NEXT:    ret void
+;
+; GCN-LABEL: @format_str_a(
+; GCN-NEXT:    [[FPEXT_F32_TO_F64:%.*]] = fpext float [[F32_1:%.*]] to double
+; GCN-NEXT:    [[TMP1:%.*]] = sext i16 [[I16:%.*]] to i32
+; GCN-NEXT:    [[TMP2:%.*]] = bitcast half [[F16:%.*]] to i16
+; GCN-NEXT:    [[TMP3:%.*]] = sext i16 [[TMP2]] to i32
+; GCN-NEXT:    [[PRINTF_ALLOC_FN:%.*]] = call ptr addrspace(1) @__printf_alloc(i32 72)
+; GCN-NEXT:    br label [[DOTSPLIT:%.*]]
+; GCN:       .split:
+; GCN-NEXT:    [[TMP4:%.*]] = icmp ne ptr addrspace(1) [[PRINTF_ALLOC_FN]], null
+; GCN-NEXT:    br i1 [[TMP4]], label [[TMP5:%.*]], label [[TMP6:%.*]]
+; GCN:       5:
+; 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 3, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
+; GCN-NEXT:    [[PRINTBUFFGEP:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTF_ALLOC_FN]], i32 4
+; GCN-NEXT:    store float [[F32_0:%.*]], ptr addrspace(1) [[PRINTBUFFGEP]], align 4
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFGEP]], i32 4
+; GCN-NEXT:    store double [[F64:%.*]], ptr addrspace(1) [[PRINTBUFFNEXTPTR]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR1:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR]], i32 8
+; GCN-NEXT:    store double [[FPEXT_F32_TO_F64]], ptr addrspace(1) [[PRINTBUFFNEXTPTR1]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR2:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR1]], i32 8
+; GCN-NEXT:    store float 1.000000e+00, ptr addrspace(1) [[PRINTBUFFNEXTPTR2]], align 4
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR3:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR2]], i32 4
+; GCN-NEXT:    store double 2.000000e+00, ptr addrspace(1) [[PRINTBUFFNEXTPTR3]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR4:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR3]], i32 8
+; GCN-NEXT:    store i32 [[TMP1]], ptr addrspace(1) [[PRINTBUFFNEXTPTR4]], align 4
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR5:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR4]], i32 4
+; GCN-NEXT:    store i32 [[I32:%.*]], ptr addrspace(1) [[PRINTBUFFNEXTPTR5]], align 4
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR6:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR5]], i32 4
+; GCN-NEXT:    store i64 [[I64:%.*]], ptr addrspace(1) [[PRINTBUFFNEXTPTR6]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR7:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR6]], i32 8
+; GCN-NEXT:    store <2 x float> <float 1.000000e+00, float 2.000000e+00>, ptr addrspace(1) [[PRINTBUFFNEXTPTR7]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR8:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR7]], i32 8
+; GCN-NEXT:    store <2 x i32> <i32 8, i32 234>, ptr addrspace(1) [[PRINTBUFFNEXTPTR8]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR9:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR8]], i32 8
+; GCN-NEXT:    store i32 [[TMP3]], ptr addrspace(1) [[PRINTBUFFNEXTPTR9]], align 4
+; GCN-NEXT:    br label [[TMP6]]
+; GCN:       6:
+; GCN-NEXT:    ret void
+;
+  %fpext.f32.to.f64 = fpext float %f32.1 to double
+  %call1 = call i32 @printf(ptr addrspace(4) @format.str.a, float %f32.0, double %f64, double %fpext.f32.to.f64, float 1.0, double 2.0, i16 %i16, i32 %i32, i64 %i64, <2 x float> <float 1.0, float 2.0>, <2 x i32> <i32 8, i32 234>, half %f16)
+  ret void
+}
+
+define amdgpu_kernel void @format_str_A(float %f32.0, double %f64, float %f32.1, i16 %i16, i32 %i32, i64 %i64, half %f16) {
+; R600-LABEL: @format_str_A(
+; R600-NEXT:    [[FPEXT_F32_TO_F64:%.*]] = fpext float [[F32_1:%.*]] to double
+; R600-NEXT:    [[CALL1:%.*]] = call i32 @printf(ptr addrspace(4) @format.str.A, float [[F32_0:%.*]], double [[F64:%.*]], double [[FPEXT_F32_TO_F64]], float 1.000000e+00, double 2.000000e+00, i16 [[I16:%.*]], i32 [[I32:%.*]], i64 [[I64:%.*]], <2 x float> <float 1.000000e+00, float 2.000000e+00>, <2 x i32> <i32 8, i32 234>, half [[F16:%.*]])
+; R600-NEXT:    ret void
+;
+; GCN-LABEL: @format_str_A(
+; GCN-NEXT:    [[FPEXT_F32_TO_F64:%.*]] = fpext float [[F32_1:%.*]] to double
+; GCN-NEXT:    [[TMP4:%.*]] = sext i16 [[I16:%.*]] to i32
+; GCN-NEXT:    [[TMP5:%.*]] = bitcast half [[F16:%.*]] to i16
+; GCN-NEXT:    [[TMP6:%.*]] = sext i16 [[TMP5]] to i32
+; GCN-NEXT:    [[PRINTF_ALLOC_FN:%.*]] = call ptr addrspace(1) @__printf_alloc(i32 72)
+; 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:       5:
+; 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 4, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
+; GCN-NEXT:    [[PRINTBUFFGEP:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTF_ALLOC_FN]], i32 4
+; GCN-NEXT:    store float [[F32_0:%.*]], ptr addrspace(1) [[PRINTBUFFGEP]], align 4
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFGEP]], i32 4
+; GCN-NEXT:    store double [[F64:%.*]], ptr addrspace(1) [[PRINTBUFFNEXTPTR]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR1:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR]], i32 8
+; GCN-NEXT:    store double [[FPEXT_F32_TO_F64]], ptr addrspace(1) [[PRINTBUFFNEXTPTR1]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR2:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR1]], i32 8
+; GCN-NEXT:    store float 1.000000e+00, ptr addrspace(1) [[PRINTBUFFNEXTPTR2]], align 4
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR3:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR2]], i32 4
+; GCN-NEXT:    store double 2.000000e+00, ptr addrspace(1) [[PRINTBUFFNEXTPTR3]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR4:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR3]], i32 8
+; GCN-NEXT:    store i32 [[TMP4]], ptr addrspace(1) [[PRINTBUFFNEXTPTR4]], align 4
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR5:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR4]], i32 4
+; GCN-NEXT:    store i32 [[I32:%.*]], ptr addrspace(1) [[PRINTBUFFNEXTPTR5]], align 4
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR6:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR5]], i32 4
+; GCN-NEXT:    store i64 [[I64:%.*]], ptr addrspace(1) [[PRINTBUFFNEXTPTR6]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR7:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR6]], i32 8
+; GCN-NEXT:    store <2 x float> <float 1.000000e+00, float 2.000000e+00>, ptr addrspace(1) [[PRINTBUFFNEXTPTR7]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR8:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR7]], i32 8
+; GCN-NEXT:    store <2 x i32> <i32 8, i32 234>, ptr addrspace(1) [[PRINTBUFFNEXTPTR8]], align 8
+; GCN-NEXT:    [[PRINTBUFFNEXTPTR9:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFNEXTPTR8]], i32 8
+; GCN-NEXT:    store i32 [[TMP6]], ptr addrspace(1) [[PRINTBUFFNEXTPTR9]], align 4
+; GCN-NEXT:    br label [[TMP3]]
+; GCN:       6:
+; GCN-NEXT:    ret void
+;
+  %fpext.f32.to.f64 = fpext float %f32.1 to double
+  %call1 = call i32 @printf(ptr addrspace(4) @format.str.A, float %f32.0, double %f64, double %fpext.f32.to.f64, float 1.0, double 2.0, i16 %i16, i32 %i32, i64 %i64, <2 x float> <float 1.0, float 2.0>, <2 x i32> <i32 8, i32 234>, half %f16)
+  ret void
+}
+
 define void @format_str_ptr(ptr %ptr.flat, ptr addrspace(3) %ptr.lds, ptr addrspace(1) %ptr.global, ptr addrspace(5) %ptr.stack, ptr addrspace(4) %ptr.const) {
 ; R600-LABEL: @format_str_ptr(
 ; R600-NEXT:    [[CALL:%.*]] = call i32 @printf(ptr addrspace(4) @format.str.p, ptr [[PTR_FLAT:%.*]], ptr addrspace(3) [[PTR_LDS:%.*]], ptr addrspace(1) [[PTR_GLOBAL:%.*]], ptr addrspace(5) [[PTR_STACK:%.*]], ptr addrspace(4) [[PTR_CONST:%.*]])
@@ -116,7 +272,7 @@ define void @format_str_ptr(ptr %ptr.flat, ptr addrspace(3) %ptr.lds, ptr addrsp
 ; 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 2, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
+; GCN-NEXT:    store i32 5, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
 ; GCN-NEXT:    [[PRINTBUFFGEP:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTF_ALLOC_FN]], i32 4
 ; GCN-NEXT:    store ptr [[PTR_FLAT:%.*]], ptr addrspace(1) [[PRINTBUFFGEP]], align 8
 ; GCN-NEXT:    [[PRINTBUFFNEXTPTR:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFGEP]], i32 8
@@ -153,7 +309,7 @@ define amdgpu_kernel void @format_str_d(i1 %i1, i4 %i4, i8 %i8, i24 %i24, i16 %i
 ; GCN:       6:
 ; 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 3, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
+; GCN-NEXT:    store i32 6, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
 ; GCN-NEXT:    [[PRINTBUFFGEP:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTF_ALLOC_FN]], i32 4
 ; GCN-NEXT:    store i32 [[TMP1]], ptr addrspace(1) [[PRINTBUFFGEP]], align 4
 ; GCN-NEXT:    [[PRINTBUFFNEXTPTR:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFGEP]], i32 4
@@ -200,7 +356,7 @@ define amdgpu_kernel void @format_str_u(i1 %i1, i4 %i4, i8 %i8, i24 %i24, i16 %i
 ; GCN:       6:
 ; 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 4, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
+; GCN-NEXT:    store i32 7, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
 ; GCN-NEXT:    [[PRINTBUFFGEP:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTF_ALLOC_FN]], i32 4
 ; GCN-NEXT:    store i32 [[TMP1]], ptr addrspace(1) [[PRINTBUFFGEP]], align 4
 ; GCN-NEXT:    [[PRINTBUFFNEXTPTR:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFGEP]], i32 4
@@ -247,7 +403,7 @@ define void @format_str_v1(<1 x float> %v1f32.0, <1 x float> %v1f32.1, <1 x doub
 ; GCN:       4:
 ; 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 5, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
+; GCN-NEXT:    store i32 8, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
 ; GCN-NEXT:    [[PRINTBUFFGEP:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTF_ALLOC_FN]], i32 4
 ; GCN-NEXT:    store <1 x float> [[V1F32_0:%.*]], ptr addrspace(1) [[PRINTBUFFGEP]], align 4
 ; GCN-NEXT:    [[PRINTBUFFNEXTPTR:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFGEP]], i32 4
@@ -291,7 +447,7 @@ define void @format_str_v2(<2 x float> %v2f32.0, <2 x float> %v2f32.1, <2 x doub
 ; GCN:       3:
 ; 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 6, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
+; GCN-NEXT:    store i32 9, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
 ; GCN-NEXT:    [[PRINTBUFFGEP:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTF_ALLOC_FN]], i32 4
 ; GCN-NEXT:    store <2 x float> [[V2F32_0:%.*]], ptr addrspace(1) [[PRINTBUFFGEP]], align 8
 ; GCN-NEXT:    [[PRINTBUFFNEXTPTR:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFGEP]], i32 8
@@ -334,7 +490,7 @@ define void @format_str_v3(<3 x float> %v3f32.0, <3 x float> %v3f32.1, <3 x doub
 ; 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 7, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
+; GCN-NEXT:    store i32 10, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
 ; GCN-NEXT:    [[PRINTBUFFGEP:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTF_ALLOC_FN]], i32 4
 ; GCN-NEXT:    store <3 x float> [[V3F32_0:%.*]], ptr addrspace(1) [[PRINTBUFFGEP]], align 16
 ; GCN-NEXT:    [[PRINTBUFFNEXTPTR:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFGEP]], i32 16
@@ -377,7 +533,7 @@ define void @format_str_v4(<4 x float> %v4f32.0, <4 x float> %v4f32.1, <4 x doub
 ; 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 8, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
+; GCN-NEXT:    store i32 11, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
 ; GCN-NEXT:    [[PRINTBUFFGEP:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTF_ALLOC_FN]], i32 4
 ; GCN-NEXT:    store <4 x float> [[V4F32_0:%.*]], ptr addrspace(1) [[PRINTBUFFGEP]], align 16
 ; GCN-NEXT:    [[PRINTBUFFNEXTPTR:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTBUFFGEP]], i32 16
@@ -420,7 +576,7 @@ define void @format_str_v8(<8 x float> %v8f32.0, <8 x float> %v8f32.1, <8 x doub
 ; 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 9, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
+; GCN-NEXT:    store i32 12, ptr addrspace(1) [[PRINTBUFFIDCAST]], align 4
 ; GCN-NEXT:    [[PRINTBUFFGEP:%.*]] = getelementptr i8, ptr addrspace(1) [[PRINTF_ALLOC_FN]], i...
[truncated]

``````````

</details>


https://github.com/llvm/llvm-project/pull/148784


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