================
@@ -31,45 +31,45 @@ define <vscale x 4 x i32> @test_extq_i32 (<vscale x 4 x 
i32> %zn, <vscale x 4 x
 define <vscale x 2 x i64> @test_extq_i64 (<vscale x 2 x i64> %zn, <vscale x 2 
x i64> %zm) {
 ; CHECK-LABEL: test_extq_i64:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    extq z0.b, z0.b, z1.b, #3
+; CHECK-NEXT:    extq z0.b, z0.b, z1.b, #8
 ; CHECK-NEXT:    ret
-  %res = call <vscale x 2 x i64> @llvm.aarch64.sve.extq.nxv2i64(<vscale x 2 x 
i64> %zn, <vscale x 2 x i64> %zm, i32 3)
+  %res = call <vscale x 2 x i64> @llvm.aarch64.sve.extq.nxv2i64(<vscale x 2 x 
i64> %zn, <vscale x 2 x i64> %zm, i32 1)
   ret <vscale x 2 x i64> %res
 }
 
 define <vscale x 8 x half> @test_extq_f16(<vscale x 8 x half> %zn, <vscale x 8 
x half> %zm) {
 ; CHECK-LABEL: test_extq_f16:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    extq z0.b, z0.b, z1.b, #4
+; CHECK-NEXT:    extq z0.b, z0.b, z1.b, #14
 ; CHECK-NEXT:    ret
-  %res = call <vscale x 8 x half> @llvm.aarch64.sve.extq.nxv8f16(<vscale x 8 x 
half> %zn, <vscale x 8 x half> %zm, i32 4)
+  %res = call <vscale x 8 x half> @llvm.aarch64.sve.extq.nxv8f16(<vscale x 8 x 
half> %zn, <vscale x 8 x half> %zm, i32 7)
   ret <vscale x 8 x half> %res
 }
 
 define <vscale x 4 x float> @test_extq_f32(<vscale x 4 x float> %zn, <vscale x 
4 x float> %zm) {
 ; CHECK-LABEL: test_extq_f32:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    extq z0.b, z0.b, z1.b, #5
+; CHECK-NEXT:    extq z0.b, z0.b, z1.b, #4
 ; CHECK-NEXT:    ret
-  %res = call <vscale x 4 x float> @llvm.aarch64.sve.extq.nxv4f32(<vscale x 4 
x float> %zn, <vscale x 4 x float> %zm, i32 5)
+  %res = call <vscale x 4 x float> @llvm.aarch64.sve.extq.nxv4f32(<vscale x 4 
x float> %zn, <vscale x 4 x float> %zm, i32 1)
   ret <vscale x 4 x float> %res
 }
 
 define <vscale x 2 x double> @test_extq_f64(<vscale x 2 x double> %zn, <vscale 
x 2 x double> %zm) {
 ; CHECK-LABEL: test_extq_f64:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    extq z0.b, z0.b, z1.b, #6
+; CHECK-NEXT:    extq z0.b, z0.b, z1.b, #8
 ; CHECK-NEXT:    ret
-  %res = call <vscale x 2 x double> @llvm.aarch64.sve.extq.nxv2f64(<vscale x 2 
x double> %zn, <vscale x 2 x double> %zm, i32 6)
+  %res = call <vscale x 2 x double> @llvm.aarch64.sve.extq.nxv2f64(<vscale x 2 
x double> %zn, <vscale x 2 x double> %zm, i32 1)
   ret <vscale x 2 x double> %res
 }
 
 define <vscale x 8 x bfloat> @test_extq_bf16(<vscale x 8 x bfloat> %zn, 
<vscale x 8 x bfloat> %zm) {
 ; CHECK-LABEL: test_extq_bf16:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    extq z0.b, z0.b, z1.b, #15
+; CHECK-NEXT:    extq z0.b, z0.b, z1.b, #6
----------------
CarolineConcatto wrote:

This does not look correct. I think the immediate should not change here. It 
should still be 15 in the assembly

https://github.com/llvm/llvm-project/pull/115340
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