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- ; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
- ; CHECK: bfe0
- define i32 @bfe0(i32 %a) {
- ; CHECK: bfe.u32 %r{{[0-9]+}}, %r{{[0-9]+}}, 4, 4
- ; CHECK-NOT: shr
- ; CHECK-NOT: and
- %val0 = ashr i32 %a, 4
- %val1 = and i32 %val0, 15
- ret i32 %val1
- }
- ; CHECK: bfe1
- define i32 @bfe1(i32 %a) {
- ; CHECK: bfe.u32 %r{{[0-9]+}}, %r{{[0-9]+}}, 3, 3
- ; CHECK-NOT: shr
- ; CHECK-NOT: and
- %val0 = ashr i32 %a, 3
- %val1 = and i32 %val0, 7
- ret i32 %val1
- }
- ; CHECK: bfe2
- define i32 @bfe2(i32 %a) {
- ; CHECK: bfe.u32 %r{{[0-9]+}}, %r{{[0-9]+}}, 5, 3
- ; CHECK-NOT: shr
- ; CHECK-NOT: and
- %val0 = ashr i32 %a, 5
- %val1 = and i32 %val0, 7
- ret i32 %val1
- }
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