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authorYong He <yonghe@outlook.com>2022-03-18 09:35:23 -0700
committerGitHub <noreply@github.com>2022-03-18 09:35:23 -0700
commit2e1a84add57efd9f8a50a88d0569a48ae4b6d834 (patch)
tree3e1ce103fa75a62eb3f1efd3c832e468bc9e8aed /tests/ir
parent42ca6758046e11451b0788092f9c95fc7f788da6 (diff)
Fix type truncation during SCCP. (#2163)
Diffstat (limited to 'tests/ir')
-rw-r--r--tests/ir/scalar-truncate.slang16
-rw-r--r--tests/ir/scalar-truncate.slang.expected.txt4
2 files changed, 20 insertions, 0 deletions
diff --git a/tests/ir/scalar-truncate.slang b/tests/ir/scalar-truncate.slang
new file mode 100644
index 000000000..9d9d33261
--- /dev/null
+++ b/tests/ir/scalar-truncate.slang
@@ -0,0 +1,16 @@
+//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj
+//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
+RWStructuredBuffer<uint> outputBuffer;
+
+[numthreads(1, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+ {
+ int16_t a = 30000; // 0x00007530 -> 0x7530 (30000) in 16-bit.
+ int16_t b = -200000; // 0xfffcf2c0 -> Truncated to 0xf2c0 (-3392) in 16-bit.
+ outputBuffer[0] = asuint((int)a);
+ outputBuffer[1] = asuint((int)b);
+ }
+}
diff --git a/tests/ir/scalar-truncate.slang.expected.txt b/tests/ir/scalar-truncate.slang.expected.txt
new file mode 100644
index 000000000..edaa32088
--- /dev/null
+++ b/tests/ir/scalar-truncate.slang.expected.txt
@@ -0,0 +1,4 @@
+7530
+FFFFF2C0
+0
+0