AMDGPU: Remove error on calls for amdgcn

Repurpose the -amdgpu-function-calls flag. Rather
than require it to emit a call, only use it to
run the always inline path or not.

llvm-svn: 310003

1 files changed, 20 insertions, 1 deletions

diff --git a/llvm/test/CodeGen/AMDGPU/mem-builtins.ll b/llvm/test/CodeGen/AMDGPU/mem-builtins.ll
index 1cbd0c32751..c7607a32f1b 100644
--- a/llvm/test/CodeGen/AMDGPU/mem-builtins.ll
+++ b/llvm/test/CodeGen/AMDGPU/mem-builtins.ll
@@ -1,4 +1,5 @@
-; RUN: not llc -march=amdgcn -verify-machineinstrs < %s 2>&1 | FileCheck -check-prefix=ERROR %s
+; RUN: not llc -march=r600 < %s 2>&1 | FileCheck -check-prefix=ERROR %s
+; RUN: llc -march=amdgcn < %s | FileCheck -check-prefix=GCN %s
 
 declare i32 @memcmp(i8 addrspace(1)* readonly nocapture, i8 addrspace(1)* readonly nocapture, i64) #0
 declare i8 addrspace(1)* @memchr(i8 addrspace(1)* readonly nocapture, i32, i64) #1
@@ -9,6 +10,9 @@ declare i32 @strcmp(i8* nocapture, i8* nocapture) #1
 
 
 ; ERROR: error: <unknown>:0:0: in function test_memcmp void (i8 addrspace(1)*, i8 addrspace(1)*, i32*): unsupported call to function memcmp
+
+; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, memcmp@rel32@lo+4
+; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, memcmp@rel32@hi+4
 define amdgpu_kernel void @test_memcmp(i8 addrspace(1)* %x, i8 addrspace(1)* %y, i32* nocapture %p) #0 {
 entry:
   %cmp = tail call i32 @memcmp(i8 addrspace(1)* %x, i8 addrspace(1)* %y, i64 2)
@@ -17,6 +21,9 @@ entry:
 }
 
 ; ERROR: error: <unknown>:0:0: in function test_memchr void (i8 addrspace(1)*, i32, i64): unsupported call to function memchr
+
+; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, memchr@rel32@lo+4
+; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, memchr@rel32@hi+4
 define amdgpu_kernel void @test_memchr(i8 addrspace(1)* %src, i32 %char, i64 %len) #0 {
   %res = call i8 addrspace(1)* @memchr(i8 addrspace(1)* %src, i32 %char, i64 %len)
   store volatile i8 addrspace(1)* %res, i8 addrspace(1)* addrspace(1)* undef
@@ -24,6 +31,9 @@ define amdgpu_kernel void @test_memchr(i8 addrspace(1)* %src, i32 %char, i64 %le
 }
 
 ; ERROR: error: <unknown>:0:0: in function test_strcpy void (i8*, i8*): unsupported call to function strcpy
+
+; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, strcpy@rel32@lo+4
+; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, strcpy@rel32@hi+4
 define amdgpu_kernel void @test_strcpy(i8* %dst, i8* %src) #0 {
   %res = call i8* @strcpy(i8* %dst, i8* %src)
   store volatile i8* %res, i8* addrspace(1)* undef
@@ -31,6 +41,9 @@ define amdgpu_kernel void @test_strcpy(i8* %dst, i8* %src) #0 {
 }
 
 ; ERROR: error: <unknown>:0:0: in function test_strcmp void (i8*, i8*): unsupported call to function strcmp
+
+; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, strcmp@rel32@lo+4
+; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, strcmp@rel32@hi+4
 define amdgpu_kernel void @test_strcmp(i8* %src0, i8* %src1) #0 {
   %res = call i32 @strcmp(i8* %src0, i8* %src1)
   store volatile i32 %res, i32 addrspace(1)* undef
@@ -38,6 +51,9 @@ define amdgpu_kernel void @test_strcmp(i8* %src0, i8* %src1) #0 {
 }
 
 ; ERROR: error: <unknown>:0:0: in function test_strlen void (i8*): unsupported call to function strlen
+
+; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, strlen@rel32@lo+4
+; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, strlen@rel32@hi+4
 define amdgpu_kernel void @test_strlen(i8* %src) #0 {
   %res = call i32 @strlen(i8* %src)
   store volatile i32 %res, i32 addrspace(1)* undef
@@ -45,6 +61,9 @@ define amdgpu_kernel void @test_strlen(i8* %src) #0 {
 }
 
 ; ERROR: error: <unknown>:0:0: in function test_strnlen void (i8*, i32): unsupported call to function strnlen
+
+; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, strnlen@rel32@lo+4
+; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, strnlen@rel32@hi+4
 define amdgpu_kernel void @test_strnlen(i8* %src, i32 %size) #0 {
   %res = call i32 @strnlen(i8* %src, i32 %size)
   store volatile i32 %res, i32 addrspace(1)* undef