1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 3 define double @a(<1 x i64> %y) { 4 %c = bitcast <1 x i64> %y to double 5 ret double %c 6 7 ; CHECK-LABEL: @a( 8 ; CHECK-NEXT: bitcast <1 x i64> %y to <1 x double> 9 ; CHECK-NEXT: extractelement <1 x double> {{.*}}, i32 0 10 ; CHECK-NEXT: ret double 11 } 12 13 define i64 @b(<1 x i64> %y) { 14 %c = bitcast <1 x i64> %y to i64 15 ret i64 %c 16 17 ; CHECK-LABEL: @b( 18 ; CHECK-NEXT: extractelement <1 x i64> %y, i32 0 19 ; CHECK-NEXT: ret i64 20 } 21 22 define <1 x i64> @c(double %y) { 23 %c = bitcast double %y to <1 x i64> 24 ret <1 x i64> %c 25 26 ; CHECK-LABEL: @c( 27 ; CHECK-NEXT: bitcast double %y to i64 28 ; CHECK-NEXT: insertelement <1 x i64> undef, i64 {{.*}}, i32 0 29 ; CHECK-NEXT: ret <1 x i64> 30 } 31 32 define <1 x i64> @d(i64 %y) { 33 %c = bitcast i64 %y to <1 x i64> 34 ret <1 x i64> %c 35 36 ; CHECK-LABEL: @d( 37 ; CHECK-NEXT: insertelement <1 x i64> undef, i64 %y, i32 0 38 ; CHECK-NEXT: ret <1 x i64> 39 } 40 41 42
