From: Nicolai Hähnle <[email protected]> This is a regression test for a very specific compiler bug in radeonsi.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97887 --- .../execution/fs-loop-cont-else-bug.shader_test | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 tests/spec/glsl-1.30/execution/fs-loop-cont-else-bug.shader_test diff --git a/tests/spec/glsl-1.30/execution/fs-loop-cont-else-bug.shader_test b/tests/spec/glsl-1.30/execution/fs-loop-cont-else-bug.shader_test new file mode 100644 index 0000000..f66c95e --- /dev/null +++ b/tests/spec/glsl-1.30/execution/fs-loop-cont-else-bug.shader_test @@ -0,0 +1,44 @@ +# This test used to create bad LLVM IR in radeonsi. +# +# Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97887 + +[require] +GLSL >= 1.30 + +[vertex shader passthrough] + +[fragment shader] +#version 130 + +uniform int initial; + +void main() { + int idx = 0; + int x = initial; + + for (;;) { + idx++; + if (idx >= 3) + break; + + if (x % 2 == 0) { + x = x / 2; + if (x == 18) + break; + continue; + } else { + x = x * 3; + } + x++; + } + + gl_FragColor = vec4(0.0, (x % 4) * 0.25, 0.0, 1.0); +} + +[test] +clear color 1.0 0.0 0.0 1.0 +clear + +uniform int initial 7 +draw rect -1 -1 2 2 +probe all rgba 0.0 0.75 0.0 1.0 -- 2.7.4 _______________________________________________ Piglit mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/piglit
