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-rw-r--r--test/CodeGen/NVPTX/mulwide.ll71
1 files changed, 62 insertions, 9 deletions
diff --git a/test/CodeGen/NVPTX/mulwide.ll b/test/CodeGen/NVPTX/mulwide.ll
index 927946c..1ddf973 100644
--- a/test/CodeGen/NVPTX/mulwide.ll
+++ b/test/CodeGen/NVPTX/mulwide.ll
@@ -1,37 +1,90 @@
-; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 -O3 | FileCheck %s --check-prefix=OPT
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 -O0 | FileCheck %s --check-prefix=NOOPT
-; CHECK: mulwide16
+; OPT-LABEL: @mulwide16
+; NOOPT-LABEL: @mulwide16
define i32 @mulwide16(i16 %a, i16 %b) {
-; CHECK: mul.wide.s16
+; OPT: mul.wide.s16
+; NOOPT: mul.lo.s32
%val0 = sext i16 %a to i32
%val1 = sext i16 %b to i32
%val2 = mul i32 %val0, %val1
ret i32 %val2
}
-; CHECK: mulwideu16
+; OPT-LABEL: @mulwideu16
+; NOOPT-LABEL: @mulwideu16
define i32 @mulwideu16(i16 %a, i16 %b) {
-; CHECK: mul.wide.u16
+; OPT: mul.wide.u16
+; NOOPT: mul.lo.s32
%val0 = zext i16 %a to i32
%val1 = zext i16 %b to i32
%val2 = mul i32 %val0, %val1
ret i32 %val2
}
-; CHECK: mulwide32
+; OPT-LABEL: @mulwide8
+; NOOPT-LABEL: @mulwide8
+define i32 @mulwide8(i8 %a, i8 %b) {
+; OPT: mul.wide.s16
+; NOOPT: mul.lo.s32
+ %val0 = sext i8 %a to i32
+ %val1 = sext i8 %b to i32
+ %val2 = mul i32 %val0, %val1
+ ret i32 %val2
+}
+
+; OPT-LABEL: @mulwideu8
+; NOOPT-LABEL: @mulwideu8
+define i32 @mulwideu8(i8 %a, i8 %b) {
+; OPT: mul.wide.u16
+; NOOPT: mul.lo.s32
+ %val0 = zext i8 %a to i32
+ %val1 = zext i8 %b to i32
+ %val2 = mul i32 %val0, %val1
+ ret i32 %val2
+}
+
+; OPT-LABEL: @mulwide32
+; NOOPT-LABEL: @mulwide32
define i64 @mulwide32(i32 %a, i32 %b) {
-; CHECK: mul.wide.s32
+; OPT: mul.wide.s32
+; NOOPT: mul.lo.s64
%val0 = sext i32 %a to i64
%val1 = sext i32 %b to i64
%val2 = mul i64 %val0, %val1
ret i64 %val2
}
-; CHECK: mulwideu32
+; OPT-LABEL: @mulwideu32
+; NOOPT-LABEL: @mulwideu32
define i64 @mulwideu32(i32 %a, i32 %b) {
-; CHECK: mul.wide.u32
+; OPT: mul.wide.u32
+; NOOPT: mul.lo.s64
%val0 = zext i32 %a to i64
%val1 = zext i32 %b to i64
%val2 = mul i64 %val0, %val1
ret i64 %val2
}
+
+; OPT-LABEL: @mulwideu7
+; NOOPT-LABEL: @mulwideu7
+define i64 @mulwideu7(i7 %a, i7 %b) {
+; OPT: mul.wide.u32
+; NOOPT: mul.lo.s64
+ %val0 = zext i7 %a to i64
+ %val1 = zext i7 %b to i64
+ %val2 = mul i64 %val0, %val1
+ ret i64 %val2
+}
+
+; OPT-LABEL: @mulwides7
+; NOOPT-LABEL: @mulwides7
+define i64 @mulwides7(i7 %a, i7 %b) {
+; OPT: mul.wide.s32
+; NOOPT: mul.lo.s64
+ %val0 = sext i7 %a to i64
+ %val1 = sext i7 %b to i64
+ %val2 = mul i64 %val0, %val1
+ ret i64 %val2
+}