R600/SI: Also enable WQM for image opcodes which calculate LOD v3
If whole quad mode isn't enabled for these, the level of detail is
calculated incorrectly for pixels along diagonal triangle edges, causing
artifacts.
v2: Use a TSFlag instead of lots of switch cases
v3: Add test coverage
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88642
Reviewed-by: Tom Stellard <tom@stellard.net>
llvm-svn: 228372
diff --git a/llvm/test/CodeGen/R600/llvm.SI.image.sample.ll b/llvm/test/CodeGen/R600/llvm.SI.image.sample.ll
index 61e2b6d..4bc638a 100644
--- a/llvm/test/CodeGen/R600/llvm.SI.image.sample.ll
+++ b/llvm/test/CodeGen/R600/llvm.SI.image.sample.ll
@@ -2,6 +2,7 @@
;RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck %s
;CHECK-LABEL: {{^}}sample:
+;CHECK: s_wqm
;CHECK: image_sample {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample() #0 {
main_body:
@@ -15,6 +16,7 @@
}
;CHECK-LABEL: {{^}}sample_cl:
+;CHECK: s_wqm
;CHECK: image_sample_cl {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_cl() #0 {
main_body:
@@ -28,6 +30,7 @@
}
;CHECK-LABEL: {{^}}sample_d:
+;CHECK-NOT: s_wqm
;CHECK: image_sample_d {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_d() #0 {
main_body:
@@ -41,6 +44,7 @@
}
;CHECK-LABEL: {{^}}sample_d_cl:
+;CHECK-NOT: s_wqm
;CHECK: image_sample_d_cl {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_d_cl() #0 {
main_body:
@@ -54,6 +58,7 @@
}
;CHECK-LABEL: {{^}}sample_l:
+;CHECK-NOT: s_wqm
;CHECK: image_sample_l {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_l() #0 {
main_body:
@@ -67,6 +72,7 @@
}
;CHECK-LABEL: {{^}}sample_b:
+;CHECK: s_wqm
;CHECK: image_sample_b {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_b() #0 {
main_body:
@@ -80,6 +86,7 @@
}
;CHECK-LABEL: {{^}}sample_b_cl:
+;CHECK: s_wqm
;CHECK: image_sample_b_cl {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_b_cl() #0 {
main_body:
@@ -93,6 +100,7 @@
}
;CHECK-LABEL: {{^}}sample_lz:
+;CHECK-NOT: s_wqm
;CHECK: image_sample_lz {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_lz() #0 {
main_body:
@@ -106,6 +114,7 @@
}
;CHECK-LABEL: {{^}}sample_cd:
+;CHECK-NOT: s_wqm
;CHECK: image_sample_cd {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_cd() #0 {
main_body:
@@ -119,6 +128,7 @@
}
;CHECK-LABEL: {{^}}sample_cd_cl:
+;CHECK-NOT: s_wqm
;CHECK: image_sample_cd_cl {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_cd_cl() #0 {
main_body:
@@ -132,6 +142,7 @@
}
;CHECK-LABEL: {{^}}sample_c:
+;CHECK: s_wqm
;CHECK: image_sample_c {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_c() #0 {
main_body:
@@ -145,6 +156,7 @@
}
;CHECK-LABEL: {{^}}sample_c_cl:
+;CHECK: s_wqm
;CHECK: image_sample_c_cl {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_c_cl() #0 {
main_body:
@@ -158,6 +170,7 @@
}
;CHECK-LABEL: {{^}}sample_c_d:
+;CHECK-NOT: s_wqm
;CHECK: image_sample_c_d {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_c_d() #0 {
main_body:
@@ -171,6 +184,7 @@
}
;CHECK-LABEL: {{^}}sample_c_d_cl:
+;CHECK-NOT: s_wqm
;CHECK: image_sample_c_d_cl {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_c_d_cl() #0 {
main_body:
@@ -184,6 +198,7 @@
}
;CHECK-LABEL: {{^}}sample_c_l:
+;CHECK-NOT: s_wqm
;CHECK: image_sample_c_l {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_c_l() #0 {
main_body:
@@ -197,6 +212,7 @@
}
;CHECK-LABEL: {{^}}sample_c_b:
+;CHECK: s_wqm
;CHECK: image_sample_c_b {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_c_b() #0 {
main_body:
@@ -210,6 +226,7 @@
}
;CHECK-LABEL: {{^}}sample_c_b_cl:
+;CHECK: s_wqm
;CHECK: image_sample_c_b_cl {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_c_b_cl() #0 {
main_body:
@@ -223,6 +240,7 @@
}
;CHECK-LABEL: {{^}}sample_c_lz:
+;CHECK-NOT: s_wqm
;CHECK: image_sample_c_lz {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_c_lz() #0 {
main_body:
@@ -236,6 +254,7 @@
}
;CHECK-LABEL: {{^}}sample_c_cd:
+;CHECK-NOT: s_wqm
;CHECK: image_sample_c_cd {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_c_cd() #0 {
main_body:
@@ -249,6 +268,7 @@
}
;CHECK-LABEL: {{^}}sample_c_cd_cl:
+;CHECK-NOT: s_wqm
;CHECK: image_sample_c_cd_cl {{v\[[0-9]+:[0-9]+\]}}, 15, 0, 0, 0, 0, 0, 0, 0, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @sample_c_cd_cl() #0 {
main_body: