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-rw-r--r--test/CodeGen/ARM/constantfp.ll68
1 files changed, 68 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/constantfp.ll b/test/CodeGen/ARM/constantfp.ll
new file mode 100644
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--- /dev/null
+++ b/test/CodeGen/ARM/constantfp.ll
@@ -0,0 +1,68 @@
+; RUN: llc -mtriple=armv7 -mattr=+neon -mcpu=swift %s -o - | FileCheck %s
+; RUN: llc -mtriple=armv7 -mattr=+neon -mcpu=cortex-a8 %s -o - | FileCheck --check-prefix=CHECK-NONEONFP %s
+; RUN: llc -mtriple=armv7 -mattr=-neon -mcpu=cortex-a8 %s -o - | FileCheck --check-prefix=CHECK-NONEON %s
+
+define arm_aapcs_vfpcc float @test_vmov_f32() {
+; CHECK-LABEL: test_vmov_f32:
+; CHECK: vmov.f32 d0, #1.0
+
+; CHECK-NONEONFP: vmov.f32 s0, #1.0
+ ret float 1.0
+}
+
+define arm_aapcs_vfpcc float @test_vmov_imm() {
+; CHECK-LABEL: test_vmov_imm:
+; CHECK: vmov.i32 d0, #0
+
+; CHECK-NONEON-LABEL: test_vmov_imm:
+; CHECK_NONEON: vldr s0, {{.?LCPI[0-9]+_[0-9]+}}
+ ret float 0.0
+}
+
+define arm_aapcs_vfpcc float @test_vmvn_imm() {
+; CHECK-LABEL: test_vmvn_imm:
+; CHECK: vmvn.i32 d0, #0xb0000000
+
+; CHECK-NONEON-LABEL: test_vmvn_imm:
+; CHECK_NONEON: vldr s0, {{.?LCPI[0-9]+_[0-9]+}}
+ ret float 8589934080.0
+}
+
+define arm_aapcs_vfpcc double @test_vmov_f64() {
+; CHECK-LABEL: test_vmov_f64:
+; CHECK: vmov.f64 d0, #1.0
+
+; CHECK-NONEON-LABEL: test_vmov_f64:
+; CHECK_NONEON: vmov.f64 d0, #1.0
+
+ ret double 1.0
+}
+
+define arm_aapcs_vfpcc double @test_vmov_double_imm() {
+; CHECK-LABEL: test_vmov_double_imm:
+; CHECK: vmov.i32 d0, #0
+
+; CHECK-NONEON-LABEL: test_vmov_double_imm:
+; CHECK_NONEON: vldr d0, {{.?LCPI[0-9]+_[0-9]+}}
+ ret double 0.0
+}
+
+define arm_aapcs_vfpcc double @test_vmvn_double_imm() {
+; CHECK-LABEL: test_vmvn_double_imm:
+; CHECK: vmvn.i32 d0, #0xb0000000
+
+; CHECK-NONEON-LABEL: test_vmvn_double_imm:
+; CHECK_NONEON: vldr d0, {{.?LCPI[0-9]+_[0-9]+}}
+ ret double 0x4fffffff4fffffff
+}
+
+; Make sure we don't ignore the high half of 64-bit values when deciding whether
+; a vmov/vmvn is possible.
+define arm_aapcs_vfpcc double @test_notvmvn_double_imm() {
+; CHECK-LABEL: test_notvmvn_double_imm:
+; CHECK: vldr d0, {{.?LCPI[0-9]+_[0-9]+}}
+
+; CHECK-NONEON-LABEL: test_notvmvn_double_imm:
+; CHECK_NONEON: vldr d0, {{.?LCPI[0-9]+_[0-9]+}}
+ ret double 0x4fffffffffffffff
+}