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-rw-r--r--llvm/test/CodeGen/AArch64/load-zext-bitcast.ll525
1 files changed, 513 insertions, 12 deletions
diff --git a/llvm/test/CodeGen/AArch64/load-zext-bitcast.ll b/llvm/test/CodeGen/AArch64/load-zext-bitcast.ll
index 1a83930..9193025 100644
--- a/llvm/test/CodeGen/AArch64/load-zext-bitcast.ll
+++ b/llvm/test/CodeGen/AArch64/load-zext-bitcast.ll
@@ -2,8 +2,8 @@
; RUN: llc -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s
; load zero-extended i32, bitcast to f64
-define double @_Z9load_u64_from_u32_testPj(ptr %n){
-; CHECK-LABEL: _Z9load_u64_from_u32_testPj:
+define double @load_u64_from_u32(ptr %n){
+; CHECK-LABEL: load_u64_from_u32:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr s0, [x0]
; CHECK-NEXT: ret
@@ -15,8 +15,8 @@ entry:
}
; load zero-extended i16, bitcast to f64
-define double @_Z9load_u64_from_u16_testPj(ptr %n){
-; CHECK-LABEL: _Z9load_u64_from_u16_testPj:
+define double @load_u64_from_u16(ptr %n){
+; CHECK-LABEL: load_u64_from_u16:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr h0, [x0]
; CHECK-NEXT: ret
@@ -28,8 +28,8 @@ entry:
}
; load zero-extended i8, bitcast to f64
-define double @_Z16load_u64_from_u8Ph(ptr %n){
-; CHECK-LABEL: _Z16load_u64_from_u8Ph:
+define double @load_u64_from_u8(ptr %n){
+; CHECK-LABEL: load_u64_from_u8:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0]
; CHECK-NEXT: ret
@@ -41,8 +41,8 @@ entry:
}
; load zero-extended i16, bitcast to f32
-define float @_Z17load_u32_from_u16Pt(ptr %n){
-; CHECK-LABEL: _Z17load_u32_from_u16Pt:
+define float @load_u32_from_u16(ptr %n){
+; CHECK-LABEL: load_u32_from_u16:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr h0, [x0]
; CHECK-NEXT: ret
@@ -54,8 +54,8 @@ entry:
}
; load zero-extended i8, bitcast to f32
-define float @_Z16load_u32_from_u8Ph(ptr %n){
-; CHECK-LABEL: _Z16load_u32_from_u8Ph:
+define float @load_u32_from_u8(ptr %n){
+; CHECK-LABEL: load_u32_from_u8:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0]
; CHECK-NEXT: ret
@@ -67,8 +67,8 @@ entry:
}
; load zero-extended i8, bitcast to f16
-define half @_Z16load_u16_from_u8Ph(ptr %n){
-; CHECK-LABEL: _Z16load_u16_from_u8Ph:
+define half @load_u16_from_u8(ptr %n){
+; CHECK-LABEL: load_u16_from_u8:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr b0, [x0]
; CHECK-NEXT: // kill: def $h0 killed $h0 killed $s0
@@ -80,3 +80,504 @@ entry:
ret half %1
}
+
+define double @load_u64_from_u32_off1(ptr %n){
+; CHECK-LABEL: load_u64_from_u32_off1:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldur w8, [x0, #1]
+; CHECK-NEXT: fmov d0, x8
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 1
+ %0 = load i32, ptr %p, align 4
+ %conv = zext i32 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define double @load_u64_from_u16_off1(ptr %n){
+; CHECK-LABEL: load_u64_from_u16_off1:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldurh w8, [x0, #1]
+; CHECK-NEXT: fmov d0, x8
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 1
+ %0 = load i16, ptr %p, align 2
+ %conv = zext i16 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define double @load_u64_from_u8_off1(ptr %n){
+; CHECK-LABEL: load_u64_from_u8_off1:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldrb w8, [x0, #1]
+; CHECK-NEXT: fmov d0, x8
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 1
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define float @load_u32_from_u16_off1(ptr %n){
+; CHECK-LABEL: load_u32_from_u16_off1:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldurh w8, [x0, #1]
+; CHECK-NEXT: fmov s0, w8
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 1
+ %0 = load i16, ptr %p, align 2
+ %conv = zext i16 %0 to i32
+ %1 = bitcast i32 %conv to float
+ ret float %1
+}
+
+define float @load_u32_from_u8_off1(ptr %n){
+; CHECK-LABEL: load_u32_from_u8_off1:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldrb w8, [x0, #1]
+; CHECK-NEXT: fmov s0, w8
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 1
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i32
+ %1 = bitcast i32 %conv to float
+ ret float %1
+}
+
+define half @load_u16_from_u8_off1(ptr %n){
+; CHECK-LABEL: load_u16_from_u8_off1:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldrb w8, [x0, #1]
+; CHECK-NEXT: fmov s0, w8
+; CHECK-NEXT: // kill: def $h0 killed $h0 killed $s0
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 1
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i16
+ %1 = bitcast i16 %conv to half
+ ret half %1
+}
+
+
+
+define double @load_u64_from_u32_off2(ptr %n){
+; CHECK-LABEL: load_u64_from_u32_off2:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldur w8, [x0, #2]
+; CHECK-NEXT: fmov d0, x8
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 2
+ %0 = load i32, ptr %p, align 4
+ %conv = zext i32 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define double @load_u64_from_u16_off2(ptr %n){
+; CHECK-LABEL: load_u64_from_u16_off2:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldrh w8, [x0, #2]
+; CHECK-NEXT: fmov d0, x8
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 2
+ %0 = load i16, ptr %p, align 2
+ %conv = zext i16 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define double @load_u64_from_u8_off2(ptr %n){
+; CHECK-LABEL: load_u64_from_u8_off2:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldrb w8, [x0, #2]
+; CHECK-NEXT: fmov d0, x8
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 2
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define float @load_u32_from_u16_off2(ptr %n){
+; CHECK-LABEL: load_u32_from_u16_off2:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr h0, [x0, #2]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 2
+ %0 = load i16, ptr %p, align 2
+ %conv = zext i16 %0 to i32
+ %1 = bitcast i32 %conv to float
+ ret float %1
+}
+
+define float @load_u32_from_u8_off2(ptr %n){
+; CHECK-LABEL: load_u32_from_u8_off2:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr b0, [x0, #1]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 2
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i32
+ %1 = bitcast i32 %conv to float
+ ret float %1
+}
+
+define half @load_u16_from_u8_off2(ptr %n){
+; CHECK-LABEL: load_u16_from_u8_off2:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr b0, [x0, #1]
+; CHECK-NEXT: // kill: def $h0 killed $h0 killed $s0
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 2
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i16
+ %1 = bitcast i16 %conv to half
+ ret half %1
+}
+
+
+
+define double @load_u64_from_u32_off255(ptr %n){
+; CHECK-LABEL: load_u64_from_u32_off255:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldur w8, [x0, #255]
+; CHECK-NEXT: fmov d0, x8
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 255
+ %0 = load i32, ptr %p, align 4
+ %conv = zext i32 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define double @load_u64_from_u16_off255(ptr %n){
+; CHECK-LABEL: load_u64_from_u16_off255:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldurh w8, [x0, #255]
+; CHECK-NEXT: fmov d0, x8
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 255
+ %0 = load i16, ptr %p, align 2
+ %conv = zext i16 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define double @load_u64_from_u8_off255(ptr %n){
+; CHECK-LABEL: load_u64_from_u8_off255:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldrb w8, [x0, #255]
+; CHECK-NEXT: fmov d0, x8
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 255
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define float @load_u32_from_u16_off255(ptr %n){
+; CHECK-LABEL: load_u32_from_u16_off255:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldurh w8, [x0, #255]
+; CHECK-NEXT: fmov s0, w8
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 255
+ %0 = load i16, ptr %p, align 2
+ %conv = zext i16 %0 to i32
+ %1 = bitcast i32 %conv to float
+ ret float %1
+}
+
+define float @load_u32_from_u8_off255(ptr %n){
+; CHECK-LABEL: load_u32_from_u8_off255:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldrb w8, [x0, #255]
+; CHECK-NEXT: fmov s0, w8
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 255
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i32
+ %1 = bitcast i32 %conv to float
+ ret float %1
+}
+
+define half @load_u16_from_u8_off255(ptr %n){
+; CHECK-LABEL: load_u16_from_u8_off255:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldrb w8, [x0, #255]
+; CHECK-NEXT: fmov s0, w8
+; CHECK-NEXT: // kill: def $h0 killed $h0 killed $s0
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 255
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i16
+ %1 = bitcast i16 %conv to half
+ ret half %1
+}
+
+
+define double @load_u64_from_u32_off256(ptr %n){
+; CHECK-LABEL: load_u64_from_u32_off256:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr s0, [x0, #256]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 256
+ %0 = load i32, ptr %p, align 4
+ %conv = zext i32 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define double @load_u64_from_u16_off256(ptr %n){
+; CHECK-LABEL: load_u64_from_u16_off256:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr h0, [x0, #128]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 256
+ %0 = load i16, ptr %p, align 2
+ %conv = zext i16 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define double @load_u64_from_u8_off256(ptr %n){
+; CHECK-LABEL: load_u64_from_u8_off256:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr b0, [x0, #64]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 256
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define float @load_u32_from_u16_off256(ptr %n){
+; CHECK-LABEL: load_u32_from_u16_off256:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr h0, [x0, #256]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 256
+ %0 = load i16, ptr %p, align 2
+ %conv = zext i16 %0 to i32
+ %1 = bitcast i32 %conv to float
+ ret float %1
+}
+
+define float @load_u32_from_u8_off256(ptr %n){
+; CHECK-LABEL: load_u32_from_u8_off256:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr b0, [x0, #128]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 256
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i32
+ %1 = bitcast i32 %conv to float
+ ret float %1
+}
+
+define half @load_u16_from_u8_off256(ptr %n){
+; CHECK-LABEL: load_u16_from_u8_off256:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr b0, [x0, #128]
+; CHECK-NEXT: // kill: def $h0 killed $h0 killed $s0
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 256
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i16
+ %1 = bitcast i16 %conv to half
+ ret half %1
+}
+
+
+
+define double @load_u64_from_u32_offn(ptr %n){
+; CHECK-LABEL: load_u64_from_u32_offn:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr s0, [x0, #16380]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 16380
+ %0 = load i32, ptr %p, align 4
+ %conv = zext i32 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define double @load_u64_from_u16_offn(ptr %n){
+; CHECK-LABEL: load_u64_from_u16_offn:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: mov w8, #8190 // =0x1ffe
+; CHECK-NEXT: ldr h0, [x0, x8]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 8190
+ %0 = load i16, ptr %p, align 2
+ %conv = zext i16 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define double @load_u64_from_u8_offn(ptr %n){
+; CHECK-LABEL: load_u64_from_u8_offn:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr b0, [x0, #4095]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 4095
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define float @load_u32_from_u16_offn(ptr %n){
+; CHECK-LABEL: load_u32_from_u16_offn:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr h0, [x0, #8190]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 8190
+ %0 = load i16, ptr %p, align 2
+ %conv = zext i16 %0 to i32
+ %1 = bitcast i32 %conv to float
+ ret float %1
+}
+
+define float @load_u32_from_u8_offn(ptr %n){
+; CHECK-LABEL: load_u32_from_u8_offn:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr b0, [x0, #4095]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 4095
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i32
+ %1 = bitcast i32 %conv to float
+ ret float %1
+}
+
+define half @load_u16_from_u8_offn(ptr %n){
+; CHECK-LABEL: load_u16_from_u8_offn:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr b0, [x0, #4095]
+; CHECK-NEXT: // kill: def $h0 killed $h0 killed $s0
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 4095
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i16
+ %1 = bitcast i16 %conv to half
+ ret half %1
+}
+
+
+define double @load_u64_from_u32_offnp1(ptr %n){
+; CHECK-LABEL: load_u64_from_u32_offnp1:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: add x8, x0, #4, lsl #12 // =16384
+; CHECK-NEXT: ldr s0, [x8]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 16384
+ %0 = load i32, ptr %p, align 4
+ %conv = zext i32 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define double @load_u64_from_u16_offnp1(ptr %n){
+; CHECK-LABEL: load_u64_from_u16_offnp1:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr h0, [x0, #4096]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 8192
+ %0 = load i16, ptr %p, align 2
+ %conv = zext i16 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define double @load_u64_from_u8_offnp1(ptr %n){
+; CHECK-LABEL: load_u64_from_u8_offnp1:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr b0, [x0, #1024]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 4096
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i64
+ %1 = bitcast i64 %conv to double
+ ret double %1
+}
+
+define float @load_u32_from_u16_offnp1(ptr %n){
+; CHECK-LABEL: load_u32_from_u16_offnp1:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: add x8, x0, #2, lsl #12 // =8192
+; CHECK-NEXT: ldr h0, [x8]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 8192
+ %0 = load i16, ptr %p, align 2
+ %conv = zext i16 %0 to i32
+ %1 = bitcast i32 %conv to float
+ ret float %1
+}
+
+define float @load_u32_from_u8_offnp1(ptr %n){
+; CHECK-LABEL: load_u32_from_u8_offnp1:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr b0, [x0, #2048]
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 4096
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i32
+ %1 = bitcast i32 %conv to float
+ ret float %1
+}
+
+define half @load_u16_from_u8_offnp1(ptr %n){
+; CHECK-LABEL: load_u16_from_u8_offnp1:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: ldr b0, [x0, #2048]
+; CHECK-NEXT: // kill: def $h0 killed $h0 killed $s0
+; CHECK-NEXT: ret
+entry:
+ %p = getelementptr i8, ptr %n, i64 4096
+ %0 = load i8, ptr %p, align 1
+ %conv = zext i8 %0 to i16
+ %1 = bitcast i16 %conv to half
+ ret half %1
+}
+